The volatile portions of substances perceptible by the sense of smell. (Grant & Hackh's Chemical Dictionary, 5th ed)
The ability to detect scents or odors, such as the function of OLFACTORY RECEPTOR NEURONS.
Loss of or impaired ability to smell. This may be caused by OLFACTORY NERVE DISEASES; PARANASAL SINUS DISEASES; viral RESPIRATORY TRACT INFECTIONS; CRANIOCEREBRAL TRAUMA; SMOKING; and other conditions.
Conditions characterized by an alteration in gustatory function or perception. Taste disorders are frequently associated with OLFACTION DISORDERS. Additional potential etiologies include METABOLIC DISEASES; DRUG TOXICITY; and taste pathway disorders (e.g., TASTE BUD diseases; FACIAL NERVE DISEASES; GLOSSOPHARYNGEAL NERVE DISEASES; and BRAIN STEM diseases).
The process by which the nature and meaning of olfactory stimuli, such as odors, are recognized and interpreted by the brain.
Set of nerve fibers conducting impulses from olfactory receptors to the cerebral cortex. It includes the OLFACTORY NERVE; OLFACTORY BULB; OLFACTORY TRACT; OLFACTORY TUBERCLE; ANTERIOR PERFORATED SUBSTANCE; and OLFACTORY CORTEX.
Proteins, usually projecting from the cilia of olfactory receptor neurons, that specifically bind odorant molecules and trigger responses in the neurons. The large number of different odorant receptors appears to arise from several gene families or subfamilies rather than from DNA rearrangement.
Neurons in the OLFACTORY EPITHELIUM with proteins (RECEPTORS, ODORANT) that bind, and thus detect, odorants. These neurons send their DENDRITES to the surface of the epithelium with the odorant receptors residing in the apical non-motile cilia. Their unmyelinated AXONS synapse in the OLFACTORY BULB of the BRAIN.
The ability to detect chemicals through gustatory receptors in the mouth, including those on the TONGUE; the PALATE; the PHARYNX; and the EPIGLOTTIS.
Ovoid body resting on the CRIBRIFORM PLATE of the ethmoid bone where the OLFACTORY NERVE terminates. The olfactory bulb contains several types of nerve cells including the mitral cells, on whose DENDRITES the olfactory nerve synapses, forming the olfactory glomeruli. The accessory olfactory bulb, which receives the projection from the VOMERONASAL ORGAN via the vomeronasal nerve, is also included here.
The minimum amount of stimulus energy necessary to elicit a sensory response.
That portion of the nasal mucosa containing the sensory nerve endings for SMELL, located at the dome of each NASAL CAVITY. The yellow-brownish olfactory epithelium consists of OLFACTORY RECEPTOR NEURONS; brush cells; STEM CELLS; and the associated olfactory glands.
A condition characterized by alterations of the sense of taste which may range from mild to severe, including gross distortions of taste quality.
Isomeric forms and derivatives of pentanol (C5H11OH).
Organic compounds that have a relatively high VAPOR PRESSURE at room temperature.
A phase transition from liquid state to gas state, which is affected by Raoult's law. It can be accomplished by fractional distillation.
A plant genus of the family ARACEAE. Members contain konjac glucomannan (MANNANS) and SEROTONIN.
Differential response to different stimuli.
A compound given in the treatment of conditions associated with zinc deficiency such as acrodermatitis enteropathica. Externally, zinc sulfate is used as an astringent in lotions and eye drops. (Reynolds JEF(Ed): Martindale: The Extra Pharmacopoeia (electronic version). Micromedex, Inc, Englewood, CO, 1995)
Chemical substances, excreted by an organism into the environment, that elicit behavioral or physiological responses from other organisms of the same species. Perception of these chemical signals may be olfactory or by contact.
The increase in a measurable parameter of a PHYSIOLOGICAL PROCESS, including cellular, microbial, and plant; immunological, cardiovascular, respiratory, reproductive, urinary, digestive, neural, musculoskeletal, ocular, and skin physiological processes; or METABOLIC PROCESS, including enzymatic and other pharmacological processes, by a drug or other chemical.
The 1st cranial nerve. The olfactory nerve conveys the sense of smell. It is formed by the axons of OLFACTORY RECEPTOR NEURONS which project from the olfactory epithelium (in the nasal epithelium) to the OLFACTORY BULB.
The observable response an animal makes to any situation.
The study, control, and application of the conduction of ELECTRICITY through gases or vacuum, or through semiconducting or conducting materials. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
Disorders of the nose, general or unspecified.
An acquired disorder characterized by recurrent symptoms, referable to multiple organ systems, occurring in response to demonstrable exposure to many chemically unrelated compounds at doses below those established in the general population to cause harmful effects. (Cullen MR. The worker with multiple chemical sensitivities: an overview. Occup Med 1987;2(4):655-61)
The process by which the nature and meaning of gustatory stimuli are recognized and interpreted by the brain. The four basic classes of taste perception are salty, sweet, bitter, and sour.
Paired sense organs connected to the anterior segments of ARTHROPODS that help them navigate through the environment.
An antimicrobial, antiseptic, and disinfectant that is used also as an aromatic essence and preservative in pharmaceutics and perfumery.
The process by which the nature and meaning of sensory stimuli are recognized and interpreted.
Communication between animals involving the giving off by one individual of some chemical or physical signal, that, on being received by another, influences its behavior.
Isomeric forms and derivatives of hexanol (C6H11OH).
Debris resulting from a process that is of no further use to the system producing it. The concept includes materials discharged from or stored in a system in inert form as a by-product of vital activities. (From Webster's New Collegiate Dictionary, 1981)
A part of the upper respiratory tract. It contains the organ of SMELL. The term includes the external nose, the nasal cavity, and the PARANASAL SINUSES.
A genetically heterogeneous disorder caused by hypothalamic GNRH deficiency and OLFACTORY NERVE defects. It is characterized by congenital HYPOGONADOTROPIC HYPOGONADISM and ANOSMIA, possibly with additional midline defects. It can be transmitted as an X-linked (GENETIC DISEASES, X-LINKED), an autosomal dominant, or an autosomal recessive trait.
Compounds with a core of 10 carbons generally formed via the mevalonate pathway from the combination of 3,3-dimethylallyl pyrophosphate and isopentenyl pyrophosphate. They are cyclized and oxidized in a variety of ways. Due to the low molecular weight many of them exist in the form of essential oils (OILS, VOLATILE).
Sexual activities of animals.
The 5th and largest cranial nerve. The trigeminal nerve is a mixed motor and sensory nerve. The larger sensory part forms the ophthalmic, mandibular, and maxillary nerves which carry afferents sensitive to external or internal stimuli from the skin, muscles, and joints of the face and mouth and from the teeth. Most of these fibers originate from cells of the TRIGEMINAL GANGLION and project to the TRIGEMINAL NUCLEUS of the brain stem. The smaller motor part arises from the brain stem trigeminal motor nucleus and innervates the muscles of mastication.
Pheromones that elicit sexual attraction or mating behavior usually in members of the opposite sex in the same species.
Any substances taken in by the body that provide nourishment.
Specialized organs adapted for the reception of stimuli by the NERVOUS SYSTEM.
A substance, extract, or preparation for diffusing or imparting an agreeable or attractive smell, especially a fluid containing fragrant natural oils extracted from flowers, woods, etc., or similar synthetic oils. (Random House Unabridged Dictionary, 2d ed)
The process in which specialized SENSORY RECEPTOR CELLS transduce peripheral stimuli (physical or chemical) into NERVE IMPULSES which are then transmitted to the various sensory centers in the CENTRAL NERVOUS SYSTEM.
Any hindrance to the passage of air into and out of the nose. The obstruction may be unilateral or bilateral, and may involve any part of the NASAL CAVITY.
Signals for an action; that specific portion of a perceptual field or pattern of stimuli to which a subject has learned to respond.
Behavioral responses or sequences associated with eating including modes of feeding, rhythmic patterns of eating, and time intervals.
Unsaturated derivatives of the steroid androstane containing at least one double bond at any site in any of the rings.
The principle that items experienced together enter into a connection, so that one tends to reinstate the other.
Cells specialized to detect chemical substances and relay that information centrally in the nervous system. Chemoreceptor cells may monitor external stimuli, as in TASTE and OLFACTION, or internal stimuli, such as the concentrations of OXYGEN and CARBON DIOXIDE in the blood.
The knowledge or perception that someone or something present has been previously encountered.
Liquid by-product of excretion produced in the kidneys, temporarily stored in the bladder until discharge through the URETHRA.
Prominent lobed neuropils found in ANNELIDA and all ARTHROPODS except crustaceans. They are thought to be involved in olfactory learning and memory.
Exocrine glands in animals which secrete scents which either repel or attract other animals, e.g. perianal glands of skunks, anal glands of weasels, musk glands of foxes, ventral glands of wood rats, and dorsal glands of peccaries.
The vapor state of matter; nonelastic fluids in which the molecules are in free movement and their mean positions far apart. Gases tend to expand indefinitely, to diffuse and mix readily with other gases, to have definite relations of volume, temperature, and pressure, and to condense or liquefy at low temperatures or under sufficient pressure. (Grant & Hackh's Chemical Dictionary, 5th ed)
Accumulations of solid or liquid animal excreta usually from stables and barnyards with or without litter material. Its chief application is as a fertilizer. (From Webster's 3d ed)
Learning that is manifested in the ability to respond differentially to various stimuli.
Relatively permanent change in behavior that is the result of past experience or practice. The concept includes the acquisition of knowledge.
Insect members of the superfamily Apoidea, found almost everywhere, particularly on flowers. About 3500 species occur in North America. They differ from most WASPS in that their young are fed honey and pollen rather than animal food.
The proximal portion of the respiratory passages on either side of the NASAL SEPTUM. Nasal cavities, extending from the nares to the NASOPHARYNX, are lined with ciliated NASAL MUCOSA.
Inflammation of the NASAL MUCOSA in one or more of the PARANASAL SINUSES.
... "smell": 臭 Chow Smell or flavor generally; scent; offensive smell; disagreeable odours; fume or effluvia. Stink; to smell; that ... 香臭 Heang chow, a fragrant smell; 惡臭 Gŏ chow, a bad smell; 遺臭萬年 E chow wan nëen, to leave an eternal reproach on one's name; 其臭如 ... smell; scent" when read xiù (Wu & Zheng 2009:9). Morrison listed both senses with the first pronunciation and treated it as ... 蘭 Ko chow joo lan, it smells fragrant as the Lan-flower. (Morrison 1819:94) In these derived terms, the negative senses would ...
Their feet may have a considerable odour. The musk glands are very active. The sweat has a peculiar smell. Sexual organs emit a ... Any slightly or greatly repulsive physical odour from an individual does, however, indicate a tone scale position below 2.0. It ... The body is normally sweet-smelling down to 2.0 but begins to exude chronically certain unpleasant effluvia from 2.0 down. ... repelling odour. And various body exhaust functions are not under very good control. The person may have to urinate or defecate ... Young, Christopher A. (2010). "What Smells?". Pollution Engineering. 42 (5). Dalton, P (2002). "Odor, ... Interpretation of the smell begins there, relating the smell to past experiences and in relation to the substance(s) inhaled. ... The most accurate smell sensing is when a smell is first encountered, before habituation begins to change perception of odor. ... The ability to taste also decreases with age as the sense of smell tends to dominate the sense of taste. Chronic smell problems ...
Very characteristic odour. The Perfumed Bog - A wide purple bog. Smells sickly sweet. Possible analogue to the Dead Marshes. ... They stink because all old things smell at least a little. Elfwood - A wide forest, once was home to the elves, until they were ...
"The smell of rain: how CSIRO invented a new word". The Conversation. Retrieved 11 February 2020. Rainfall can release aerosols ... Thomas and Bear, like many researchers before them, noticed that dry clays and soils evolve a characteristic odour when they ... "The smell of rain: how our scientists invented a new word". CSIROscope. 31 March 2015. Retrieved 11 February 2020. "Australia ... In 1964 Bear and her colleague Dick Thomas became the first to scientifically describe the smell of rain, for which Thomas ...
Smith, Mark (2014). The smell of battle, the taste of siege: a sensory history of the civil war. Oxford: OUP. ISBN 978- ... Armitstead, Claire (7 April 2017). "Can you judge a book by its odour?". The Guardian. Bruxelles, Simon de (19 April 2020). "' ... In heritage guidelines, 'the smells and sounds associated with the place and its use' are understood to contribute to cultural ... Olfactory heritage is an aspect of cultural heritage concerning smells that are meaningful to a community due to their ...
Deegan, Gordon (22 May 2003). "Odour consultant appointed to trace smell in Shannon". The Irish Times. Archived from the ... Rao, Rakesh (22 May 2015). "Dutch firm Odournet smells big opportunity in odour management in India". Business Standard. ... "Odournet UK opens 'smell' laboratory". Manchester Evening News. 20 August 2012. Retrieved 8 September 2015. "Leading providers ... "Odour management expertise now in india". Goacom. 19 February 2013. Retrieved 8 September 2015. "Odournet Group". www. ...
Her breath is of pleasant odour. Her breasts are full and firm. Her vulva does not emit a bad smell. Her hips are large. Her ...
"The woman who smells Parkinson's meets the rats who smell TB". Retrieved 2 November 2018. "You Can Smell When ... "Skin odour could lead to early diagnosis of Parkinson's". Retrieved 2 November 2018. Knapton, Sarah (18 December 2017). "Woman ... By smelling skin swabs, Milne can differentiate between people with and without Parkinson's disease. She identified changes in ... The story was made into a BBC documentary The Woman Who Can Smell Parkinson's. Barran received ethical approval for her work of ...
I recall that the odour of death was everywhere. The destruction was also horrific. I can still smell that odour to this day". ...
It is found in strawberries and a variety of other fruits and it is partly responsible for the smell of fresh pineapple. It is ... 49:4349-4351 John C. Leffingwell: Chirality & Odour Perception - The Furaneols.. ... The (R)-form is mainly responsible for the smell. It is one of several products from the dehydration of glucose. Its immediate ... also important for odour of buckwheat, and tomato. Furaneol has two enantiomers, (R)-(+)-furaneol and (S)-(−)-furaneol. ...
His body was hot to the touch and he sweated heavily; he constantly had foul body odour; he was described as stinking "to such ... a degree that he could not be endured within the distance of twenty paces". This smell would get noticeably worse after he had ...
Often, land organisms will have separate olfaction systems for smell and taste (orthonasal smell and retronasal smell), but ... p. 7. ISBN 978-0-87893-572-7. de March, CA; Ryu, SE; Sicard, G; Moon, C; Golebiowski, J (2015). "Structure-odour relationships ... inability to smell Hyperosmia - an abnormally acute sense of smell Hyposmia - decreased ability to smell Presbyosmia - the ... Media related to Smell at Wikimedia Commons Olfaction at Olfactory Systems Laboratory at Boston University Smells ...
... the feature that tells the two apart is found in a distinct musty smelling odour that is produced by the Darwin's Ant when it ... the smell is said to be a musty or greasy odour. Don, Warwick; Harris, Richard. "Doleromyrma darwiniana (Forel 1907)". ... The characteristic smell that distinguishes them when they have been crushed is also present where there is a large infestation ...
Stockley, P.; Bottell, L.; Hurst, J. L. (2013). "Wake up and smell the conflict: odour signals in female competition". ... She demonstrated that the quality of an animal's odour determines the chances that it will be selected as a mate. She found ... "Smell You Later: Scientists Reveal How Mice Recognize Each Other". Retrieved 2019-02-22. Hoffman, Emma; ... She found that darcin and other major urinary proteins influence the odour signature that female mice learn. She edited volume ...
The flesh is whitish and has a pleasant mealy smell and taste. Variety filamentosum has a mealy odour and taste reminiscent of ... The smaller T. terreum lacks a mealy smell and cap scales, is darker and less robust, and has smaller spores measuring 5.0-7.5 ... and pleasant smell and taste add to the risk of its being accidentally consumed. It was responsible for more than twenty ... attractive mushroom with a pleasant smell and taste, and it bears a superficial resemblance to several edible species, like ...
The flowers have a sharp odour resembling the smell of burnt plastic. The sepals and petals have narrow, dark red, club-like ... The specific epithet (osmera) is derived from the Ancient Greek word osme meaning "smell" or "odour" referring to the strong ... It is a ground orchid with a single leaf and one or two greenish-cream flowers with pink stripes and which has a sharp odour ...
Common names include green kamala, odour bush, and smell of the bush. Opinions are divided on the strong scent of the plant. ...
Ashy - This odour descriptor is similar to that of an ashtray, the odour of smokers' fingers or the smell one gets when ... Animal-like - This odour descriptor is somewhat reminiscent of the smell of animals. It is not a fragrant aroma like musk but ... Rubber-like - This odour descriptor is characteristic of the smell of hot tyres, rubber bands and rubber stoppers. It is not ... Chemical/Medicinal - This odour descriptor is reminiscent of chemicals, medicines and the smell of hospitals. This term is used ...
Chalk has a mild smell, whereas whiteboard markers often have a pungent odour. Chalk writing often provides better contrast ...
The plant generated bad smells and odours throughout the city. The plant has installed filters to screen out any odours. There ...
Its smell also attracts mosquitoes. Schilling János, an architect, purchased a farm in Năsal in the mid-19th century. He or his ... Brevibacterium linens is ubiquitously present on the human skin, where it causes foot odour. The same bacterium is also ... The cheese had changed its colour to a reddish yellow, but the taste was very good, despite the smell. Finally, the count found ...
Marceli Nencki had attributed the smell to methanethiol. The odour is attributed to a mixture of sulfur-containing metabolites ... affects the urine with a foetid smell." Benjamin Franklin described the odour as "disagreable", whilst Marcel Proust claimed ... Observations that eating asparagus results in a detectable change in the odour of urine have been recorded over time. In 1702, ... Waring, R. H.; Mitchell, S. C.; Fenwick, G. R. (1987). "The chemical nature of the urinary odour produced by man after ...
The adult male of this species has a distinctive odour that resembles lemon verbena. This smell is associated with specialized ... The smell of this compound repels other males, thus ensuring the first male's paternity of the eggs-a form of chemical mate ...
The termite Z. nevadensis has a limited ability to discriminate odours. The majority of the termites live their lives within a ... In the other hand eusocial insects like bees has a developed sense of smell. This feature provide bees a sophisticated weapon ...
In 1979 the Stasi began to archive hundreds of "suspected political dissidents" smells through collecting their odours on ... One of these odour jar artefacts is on display in the Berlin Spy Museum. The odour jars are often labelled with information ... The odour capture was a technique to capture and trace individuals via their smell. This technique was used by the Stasi during ... Odours were captured in a number of ways by the Stasi, for example from the cars or houses of suspected individuals, or from ...
One of the most striking characteristics of the kakapo is its distinct musty-sweet odour. The smell often alerts predators to ... The kakapo has a well-developed sense of smell, which complements its nocturnal lifestyle. It can distinguish between odours ... Mammalian predators, in contrast to birds, often hunt by night, and rely on their sense of smell and hearing to find prey; a ... have a more developed sense of smell than other parrots. ...
It was also said to have a body odour similar to smell of jack fruits. The rogue elephant later gained its new nickname ...
There is no distinctive odour, but some specimens may develop the smell of decaying protein. Amanita solitaria is a closely ...
తెలుగు భాష[1] ప్రకారం వాసన n. Smell, scent, odour, fragrance. Flavour. పరిమళము. Notion, recollection from memory. Fancy, ... v. n. To smell, to emit an odour: to stink. పరిమళించు, కంపుకొట్టు. ... వాసన (Smell or Odor) ఒక రకమైన ముక్కుకు సంబంధించిన జ్ఞానేంద్రియం.. మంచి వాసనను సువాసన, పరిమళము, సుగంధం అంటారు. పువ్వులు రకరకాలైన ... v. a. To smell. వాసన పట్టు to scent, to catch the scent of, to trace, to track. వాసనవేయు or వాసనకొట్టు vāsana-vēyu. ...
... is an increased olfactory acuity (heightened sense of smell), usually caused by a lower threshold for odor. This ... "Genetic variation in a human odorant receptor alters odour perception". Nature. 449 (7161): 468-72. doi:10.1038/nature06162. ... Phantosmia Hyposmia Multiple chemical sensitivity, a condition that some believe is caused by a very acute sense of smell ... belief that amphetamines may cause hyperosmia comes from Oliver Sacks's account of a patient with a heightened sense of smell ...
Horowitz, Alexandra (28 September 2010). Inside of a Dog: What Dogs See, Smell, and Know. Scribner. p. 116. ISBN 978-1-4165- ... Some animals' (example: carnivores') urine possesses a strong odour, especially when it is used to mark territory or ... Potential disadvantages include a dislike of the smell of urine, and some exposure of genitals.[citation needed] The latter can ... Wyatt, Tristram D. (27 February 2003). Pheromones and Animal Behaviour: Communication by Smell and Taste. Cambridge University ...
Some of the members of this family considered "herbs" produce scents that are believed to ...mask the odours of nearby plants, ... their leaves emit a marked smell when crushed, aromatic to foetid, but absent in some species. ...
Much of the public outrage occurred because, on some days, the rotten-egg odour of hydrogen sulfide in the gas could be smelled ... Hydrogen sulphide is a dangerous substance which at low concentrations has an obnoxious rotten egg smell. This odour annoyed ... Turner Valley had a rotten egg odour on most days. Gas conservation after Leduc[edit]. As Alberta became an ever-larger oil ...
The foul-smelling industries partially preferred the East End because the prevailing winds in London traveled from west to east ... i.e. it was downwind from the rest of the city), so that most odours from their businesses would not go into the city. ...
In regards to women's smell across the cycle, men have been found to use olfactory cues in order to know if a woman is ... During their most fertile phase of the menstrual cycle women show preference for the odour of symmetrical men. This effect is ... Using a rating of women's odours, women who are ovulating are rated as more attractive by men. Men demonstrate preferences for ... Women's preference for male's body odour changes across the menstrual cycle. ...
Various parts of the cerebrum process sensory input, such as smell in the olfactory lobe and sight in the optic lobe, and it is ... The salamanders left odour marks around their territories which averaged 0.16 to 0.33 square metres (1.7 to 3.6 sq ft) in size ... Some salamanders seem to have learned to recognize immobile prey when it has no smell, even in complete darkness.[115] ... salamanders and caecilians also use smell to detect prey. This response is mostly secondary because salamanders have been ...
Lone dingoes may hunt small rodents and grasshoppers in grass by using their senses of smell and hearing, then pouncing on them ... nor does not have a dog-like odour. The dingo has a single coat in the tropical north of Australia and a double thick coat in ...
Due to the relatively lower level of proteins in vegetable matter, herbivore manure has a milder smell than the dung of ... The dilution also helps to reduce odour development following application. Applying urine as fertilizer has been called " ...
The fly is attracted to the crop by the smell of damaged tissue and is liable to occur after thinning. Plants grown from sets ... It is made from finely ground, dehydrated onions, mainly the pungent varieties of bulb onions, and has a strong odour. Being ... Cooking onions will absorb odours from apples and pears. Also, they draw moisture from vegetables with which they are stored ... is a condition when the central leaves turn yellow and the inner part of the bulb collapses into an unpleasant-smelling slime. ...
It strongly smells of chlorine, owing to its slow decomposition in moist air. It is not highly soluble in hard water, and is ... Calcium hypochlorite can be used to oxidize thiol and sulfide byproducts in organic synthesis and thereby reduce their odour ...
Examples are nasal topical decongestants and smelling salt. See also[edit]. .mw-parser-output .portal{border:solid #aaa 1px; ... Aluminium acetate topical solution: This is colorless, with a faint acetous odour and sweetish taste. It is applied topically ...
... sour silage acquires an unpleasant odour due to excess production of ammonia or butyric acid (the latter is responsible for the ... smell of rancid butter). In the past, the fermentation was conducted by indigenous microorganisms, but, today, some bulk silage ...
Further information: Dog anatomy § Smell. References[edit]. *^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ... then they begin to sniff any moist membranes where odours are strongest[1]:124 ... an olfactory sense 40 times more sensitive than a human's and they commence their lives operating almost exclusively on smell ...
"Video of Bart Weetjens talk on use of rats as odour detectors". Archived from the original on 2012-10-07. Retrieved ... Rats have a keen sense of smell and are easy to train. These characteristics have been employed, for example, by the Belgian ... to detect landmines and diagnose tuberculosis through smell.[27] ...
When attacked, the striped hyena everts its rectum and sprays a pungent smelling liquid from its anal glands.[23] Its eyesight ... though they emit a strong odour which no amount of bathing will cover.[58] Although they kill dogs in the wild, striped hyenas ... Both predators may benefit from this unusual alliance, as the hyenas have better senses of smell and greater strength, and the ... is acute, though its senses of smell and hearing are weak.[24] ...
Raguso, Robert A. (December 2008). "Wake Up and Smell the Roses: The Ecology and Evolution of Floral Scent". Annual Review of ... floral odour or perfume. Flower scent of most flowering plant species encompass a diversity of VOCs, sometimes up to several ...
Functions may variously include sensing touch, air motion, heat, vibration (sound), and especially smell or taste.[1][2] ... The sum of the electrical potentials of the antennae to a given odour can be measured using an electroantennogram.[12] ... Olfactory receptors on the antennae bind to free-floating molecules, such as water vapour, and odours including pheromones. The ... From there, neurons in the antennal lobes connect to mushroom bodies that identify the odour. ...
The solution gave off an odour like warm aqua regia and after one quarter's hour duration, it was as clear and colourless as ... water, and the smell had disappeared.) For an English translation of the relevant passages of this article, see: The Early ...
It was named "ozon" in 1840 by Christian Friedrich Schönbein,[8] from ancient Greek ὄζειν (ozein: "to smell") plus the suffix - ... It is formed whenever air is subjected to an electrical discharge, and has the characteristic pungent odour of new-mown hay or ... chlorine-like smell,[6] coming from electric motors, laser printers, and photocopiers. ...
Maintenance of teatorder with some evidence for the use of odour cues". Applied Animal Ethology. 8: 347-355. doi:10.1016/0304- ... Pigs have a well-developed sense of smell and use is made of this in Europe where they are trained to locate underground ... Sensory inputs (vocalisation, odours from mammary and birth fluids and hair patterns of the sow) are particularly important ...
Repeated exposure to ammonia lowers the sensitivity to the smell of the gas: normally the odour is detectable at concentrations ... strong pungent odour Density 0.86 kg/m3 (1.013 bar at boiling point). 0.769 kg/m3 (STP)[2]. 0.73 kg/m3 (1.013 bar at 15 °C). ... pungent odour that acts as a warning of potentially dangerous exposure. The average odour threshold is 5 ppm, well below any ... bitter odour [or: when sprinkled [(aspersum) with water] emits a vehement odour]) ...
Smelling Odours That Aren't There)", NHS Choices, archived from the original on 2 August 2016, retrieved 6 August 2016. ... Phantosmia (olfactory hallucinations), smelling an odor that is not actually there,[18] and parosmia (olfactory illusions), ... inhaling a real odor but perceiving it as different scent than remembered,[19] are distortions to the sense of smell (olfactory ... The perceived odors are usually unpleasant and commonly described as smelling burned, foul spoiled, or rotten.[18] ... *^ Young, Christopher A. (2010). "What Smells?". Pollution Engineering. 42 (5).. ... 2012). Odour Impact Assessment Handbook: Belgiorno/Odour. Hoboken, NJ: John Wiley & Sons, Inc. doi:10.1002/9781118481264. ISBN ... Sense of smellEdit. The perception of odors, or sense of smell, is mediated by the olfactory nerve. The olfactory receptor (OR ... This is despite an apparent evolutionary decline in the sense of smell.[8][9] The human sense of smell is comparable with many ...
Amo, L; Avilés, JM; Parejo, D; Peña, A; Rodríguez, J; Tomás, G (May 2012). "Sex recognition by odour and variation in the ... orient to a specific tangerine-scented plumage odor during mechanistic courtship behavior that involves the smelling of the ... "A tangerine-scented social odour in a monogamous seabird". Proceedings of the Royal Society B. 270 (1522): 1323-29. doi ...
Smelling Odours That Aren't There)", NHS Choices, ২ আগস্ট ২০১৬ তারিখে মূল থেকে আর্কাইভ করা, সংগ্রহের তারিখ ৬ আগস্ট ২০১৬. ...
Some crepuscular petrels and prions are able to identify their own burrows within dense colonies by smell.[57] Sand martins ... "Evidence for nest-odour recognition in two species of diving petrel", J. Exp. Biol., 206 (Pt 20): 3719-3722, doi:10.1242/jeb. ... while white-breasted nuthatches rub foul-smelling insects around theirs.[71] Eurasian nuthatches wall up part of their entrance ...
Because the males have a stronger odour than the females, the odour may also have sexual function.[58] Along the animal's neck ... At least 11 main aromatic chemicals are in the fur, although indole and 3-methylindole are responsible for most of the smell. ... 26 and their senses of hearing and smell are also sharp.[54] The animal can close its muscular nostrils to protect against ...
Cork, A.; Hall, M. J. R. (2007). "Development of an odour-baited target for female New World screwworm, Cochliomyia hominivorax ... sometimes accompanied by an unpleasant smell as the flesh begins to decay. This is often the first sign in both livestock and ...
... an odour is judged differently depending on wheth ... even the food odours. "It shows that odour perception is not ... For their study, they recruited 50 participants who were asked to smell the odours of four odorants (essential oil of pine, ... Thus, unpleasant odours cause rapid reactions (recoil, for example), while pleasant odours cause slower reactions. In the ... Similarily, it is known that we react faster to food odours than to other types of odours. In this study, however, cumin - ...
A handful of women who seem to lack the olfactory bulbs we use to detect odours still have a good sense of smell, and we dont ... Some women lack odour-detecting part of brain but still sense smells. ... The olfactory bulb, a structure at the very front of the brain, plays a vital role in our ability to smell. Or, at least, so we ... A research team has now discovered a handful of women who have a perfectly normal sense of smell but who seem to lack olfactory ...
Filed Under: Daily News & Articles, Fume/ Odour/ Smell Incidences, Newsroom 2013 & 2015 Lufthansa fume events - 24th June 2016 ... Filed Under: 2006 Blog Special, Daily News & Articles, Fume/ Odour/ Smell Incidences, Newsroom, Reports & Articles ... Filed Under: Court Action, Daily News & Articles, Fume/ Odour/ Smell Incidences, Newsroom, Reports & Articles ... Filed Under: Daily News & Articles, Fume/ Odour/ Smell Incidences, Newsroom, Reports & Articles, Testimonies ...
Beets, M. G. J. and Theimer, E. T. (1970) Odour Similarity Between Structurally Unrelated Odorants, in Ciba Foundation ... Symposium - Taste and Smell in Vertebrates (eds G. E. W. Wolstenholme and J. Knight), John Wiley & Sons, Ltd., Chichester, UK. ...
Smell the difference Working in the lab of smell guru, Jay Gottfried, Li attempted to train 12 volunteers to smell the ... The smell of danger - shocks help people discriminate between similar odours. Posted by Ed Yong on March 29, 2008 ... Clearly, animals benefit from being able to discern the smell of danger and ignore unimportant odours. As Li herself put it, ... Keywords: amydgala, associative learning, conditional learning, fMRI, odours, orbital prefrontal cortex, piriform cortex, ...
This was shown in research by the Smell and Taste Centre among 48 patients with a smell disorder. The study indicates that ... various brain networks respond to odours, not just the olfactory areas in the brain. The research findings were published in ... Despite a diminished or even fully lost sense of smell, the brain continues to react to olfactory stimulation. ... Odours stimulate brain activity even without functional sense of smell. Gepubliceerd op. 1 mei 2018 Despite a diminished or ...
What makes sperm smell? Can a Vasectomy change sperm odour? « on: 10/09/2009 11:12:30 » ... What makes sperm smell? Can a Vasectomy change sperm odour? *27 Replies ... If the smell is that strong and unbearable then he would have to go to the doc as it maybe a sign of prostate infection.. It is ... If the smell is that strong and unbearable then he would have to go to the doc as it maybe a sign of prostate infection.. It is ...
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body odour synonyms, body odour pronunciation, body odour translation, English dictionary definition of body odour. Noun 1. ... body odour - malodorousness resulting from a failure to bathe B.O., body odor fetidness, malodorousness, stinkiness, rankness, ... Japanese consumers have become sensitive to smell and especially body odour, this being a continuing trend from 2013.. Now ... If youve noticed your body odour (BO) changing recently, it might be a sign that youre about to get sick.. Your BODY ODOUR ...
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  • This finding indicates that the perceived edibility of an odour can be manipulated by a description, and that olfactory perception may be driven by a top-down (or directive) cognitive process. (
  • The olfactory bulb, a structure at the very front of the brain, plays a vital role in our ability to smell . (
  • A research team has now discovered a handful of women who have a perfectly normal sense of smell but who seem to lack olfactory bulbs - completely altering our long-held views about smell. (
  • This is unusual but not remarkable: one in 10,000 people don't have olfactory bulbs, and they can't smell . (
  • They looked at information from about 600 women and 500 men, and found another three women who can smell without olfactory bulbs. (
  • Among people who are left-handed, women who lack olfactory bulbs have a roughly four per cent chance of still being able to smell normally. (
  • Perhaps this is just further proof as to how plastic, or adaptable, the brain is: if it lacks olfactory bulbs, it can reorganise itself so other brain regions can take on the task of odour perception. (
  • Using this larger sample size, Sobel and his colleagues want to probe the limits of the ability to smell in the absence of olfactory bulbs. (
  • Andreas Schaefer at the Francis Crick Institute in the UK says while the findings are unexpected, they make sense when you think about rodent studies and how rats can smell even after parts of the olfactory systems are lesioned. (
  • Despite a diminished or even fully lost sense of smell, the brain continues to react to olfactory stimulation. (
  • The study indicates that various brain networks respond to odours, not just the olfactory areas in the brain. (
  • Besides the olfactory networks, the brain regions involved in sniffing are also active when odours are present in the nose. (
  • When sniffing pure air, brain activity occurs in the olfactory regions even without there being any odours in the nose. (
  • In experiments on mice, US neuroscientists generated an electrical signature that was perceived as an odour in the brain's smell-processing centre, the olfactory bulb. (
  • Mice were trained to recognise synthetic odour patterns through artificially stimulated neural activity in the olfactory bulb. (
  • The nerve fibres of smell receptor cells extend directly into the highly organised olfactory bulb, where information about odours is processed. (
  • In combination, these innovations offer new avenues for addressing outstanding questions concerning olfactory communication in humans and other species, as well as in related fields using odour, such as biometrics and disease diagnostics. (
  • The perception of odors, or sense of smell, is mediated by the olfactory nerve . (
  • An odorant is a substance capable of eliciting an olfactory response whereas odour is the sensation resulting from stimulation of the olfactory organs. (
  • It has been proposed for some seabirds that an olfactory landscape shaped by odours coming from feeding areas exists. (
  • Humans have an unusually good sense of smell considering they have only 350 functional olfactory receptor genes compared to the 1,300 found in mice, for example. (
  • The results suggest that difficulty in identifying familiar odours in old age is partly due to the accumulation of neurofibrillar pathology in central olfactory regions. (
  • [3] Glomeruli aggregate signals from these receptors and transmit them to the olfactory bulb , where the sensory input will start to interact with parts of the brain responsible for smell identification, memory , and emotion . (
  • In humans and other vertebrates , smells are sensed by olfactory sensory neurons in the olfactory epithelium . (
  • In insects , smells are sensed by olfactory sensory neurons in the chemosensory sensilla , which are present in insect antenna, palps, and tarsa, but also on other parts of the insect body. (
  • As the endocrine system is implicated in both the expression and perception of odours, hormone manipulation, through the administration of contraceptives, could disrupt critical olfactory-mediated processes, including partner choice [ 15 , 16 ]. (
  • I also found out the reason I may have found the smell particularly offensive was that unknown to me, I was pregnant, which apparently increases your sense of smell dramatically. (
  • Body odour can be very offensive but what is strange is the fact that those unfortunate enough to suffer from this, are rarely aware of the problem. (
  • The body and each some of it their very own offensive as well as in some unfortunate cases repulsive smell. (
  • Of sweet and offensive smells, we have perception by the smell. (
  • Safe 4 Odour Killer helps to eliminate all offensive odours including urine, cigarettes, strong animal and pet odours, including male cat odour. (
  • Yet, if asked to identify the colour of a wine solely based on what it smells like, the odds of giving a correct answer is pretty close to chance. (
  • We tend to describe what we smell in wine, using words of objects that are congruent with the colour of the wine. (
  • Furthermore, when we are able to see what we smell, our brains are primed to make colour congruent associations. (
  • Even so, panellists still revert to non-colour associated imaging when describing smells such as fuzzy, flat or sticky. (
  • The smell and amount of discharge can vary from woman to woman, and the normal colour can range from clear to a milky whitish at different times during the menstrual cycle. (
  • If the colour, smell, or consistency seems different to normal, or if there is also itching or burning, seek medical advice as this could indicate an infection or other problem. (
  • Any change in the balance of normal bacteria in the vagina can affect the smell, colour, or texture of the discharge. (
  • As published in this months edition of Process & Control, Diane White discusses how UV systems can provide a practical, power saving alternative to pasteurisation in food and beverage production Waterborne micro-organisms are responsible for adverse effects on flavour, colour, odour and shelf life of products and, of course, potential health risks to consumers. (
  • This is a new, very elegantly chosen term replacing the idea of 'correspondences' or 'associations' in order to imply an energetic link between the Element, the 'primary resonances' (colour, sound, odour and emotion) and the 'secondary resonances' (season, stage of development, climate, sensory orifice or organ, tissue, residue and taste). (
  • It shows that odour perception is not objective: it is affected by the cognitive interpretation that occurs when one looks at a label," says Manescu. (
  • Moreover, this is the first time we have been able to influence the edibility perception of an odour, even though the positive and negative labels accompanying the odours showed non-food words," adds Frasnelli. (
  • Perception of a mixture of odorants, such as those in livestock odour, is very different from how each chemical would be perceived independently. (
  • Linda B. Buck and Richard Axel were awarded the Nobel Prize in Medicine and Physiology in 2004 for their research into understanding the science behind the perception of the sense of smell. (
  • Does she understand that the perception of smell of a stray dog is 10 million times more astute than that of the most intelligent human on earth? (
  • Despite the fact that I cannot differentiate burnt toast from incense sticks at 10 feet, I am pretty sure there is a change in the perception of smell, from the consumer's perspective. (
  • Their smell perception primarily offers information that elicits an emotional response. (
  • Olfaction , or the sense of smell , [1] is the process of creating the perception of smell. (
  • Butter turns and smells rancid because butanoic acid is formed by the action of bacteria on butter fat. (
  • However, a bad smell from this area can indicate the overgrowth of normal bacteria in the vagina, leading to an infection known as Bacterial Vaginosis. (
  • Regrettably bacteria and the body Odour Smells is not going anywhere soon regardless of how much you cleanse wash or rinse the offending areas but the good thing is, you are able to prevent and reduce offending smells as a result to lessen any embarrassing situations you might find oneself in. (
  • Deodorants contain an antiseptic to combat bacteria and in addition they reduce odour but don't cut lower the sweating. (
  • While sweat is virtually odourless, what you smell is the bacteria breeding on the skin's surface. (
  • The bacteria grow in the can and release hydrogen sulphide gas which is the bad egg small, and ammonia which is the urine smell. (
  • The feet can smell because of bacteria that thrive in dark, tight places (like shoes and socks). (
  • A new futuristic-style bodysuit embedded with live bacteria could help combat those unpleasant smells. (
  • You describe a 'fishy' smell, that would maybe suggest you have an upset of the bacteria in your vagina. (
  • Because you're using that kind of soap, that could be upsetting the regular ph balace of bacteria in your vagina and causing the smell. (
  • nanoe™ possesses the characteristics of removing hydrogen from viruses, bacteria, odours and allergens. (
  • The nanoe™ dimension is one-billionth parts of vapour, which enables it to easily penetrate textile fibres and eliminate bacteria and odour. (
  • Odour quality is evaluated by describing the odour or comparing the sample odour to familiar odours. (
  • Instead, she thinks that it's a sensible strategy for mice to get an immune boost if they smell the scent of a sexually receptive female. (
  • Darwin [ 1 ] recognized the role of odours in sexual selection, noting that specialized scent glands of mammals are often sexually dimorphic, and that 'the development of these organs is intelligible through sexual selection, if the most odoriferous males are the most successful in winning the females, and in leaving offspring to inherit their gradually-perfected glands and odours' (p. 530). (
  • Territorial or dominant males typically scent mark at high rates, counter-marking odours of competitors (either over-marking the competitor's scent or increasing the rate of their own scent marking in the immediate vicinity). (
  • Here, we review current literature on the scent marking behaviour and odour signals of female mammals, with emphasis on roles in competition for resources and reproductive opportunities, and on reproductive advertisement. (
  • An odor is also called a "smell" or a "scent", which can refer to either a pleasant or an unpleasant odor. (
  • While "scent" can refer to pleasant and unpleasant odors, the terms "scent", "aroma", and "fragrance" are usually reserved for pleasant-smelling odors and are frequently used in the food and cosmetic industry to describe floral scents or to refer to perfumes . (
  • To test sensitivities to a colony scent we studied whether King penguins ( Aptenodytes patagonicus ) could detect the smell of sand, feathers or feces by holding presentations beneath their beaks while they naturally slept on the beach. (
  • You should see a doctor if you notice a new or strong scent to your usual body odour or if you're sweating more than usual. (
  • As a cat guardian you can't underestimate the importance of scent (aka body odour) to the domestic cat. (
  • Everyone has their own scent, like I said, but it shouldn't be extremely strong smelling or be able to be smelled by other people. (
  • The natural hormonal modulation of odours provides a reliable mechanism for signalling reproductive potential, as scent signals vary with hormonal changes coincident with the breeding season [ 11 , 12 ] or, more specifically, with hormonal changes across the ovarian cycle [ 13 ]. (
  • Various kinds of odour are typical enough for his or her identities to become pinpointed to particular parts of your body. (
  • The human nose is known to have 350 different kinds of odour receptor cells, while mice have more than 1,200 and therefore a more specialised sense of smell. (
  • Another infection that commonly results in a bad vaginal odour is Trichinosis and is sexually transmitted. (
  • There are other, less common, causes of vaginal mal odour but, in the absence of any other symptoms such as pain, abnormal discharge/bleeding or itching, this seems unlikely. (
  • How to reduce odour with activated charcoal" last modified May 13, 2017. (
  • The science of smell is set to enhance air quality in the UK, thanks to the development of a pioneering 'electronic nose' for industrial odour monitoring. (
  • As Aerox we offer our clients sustainable solutions for industrial odour emissions. (
  • White vinegar naturally neutralises odours. (
  • How Do You Tell Someone They Have a Body Odor / Odour / Smell Without Offending Them? (
  • Odor-Kill can be sprayed wherever smells persist such as kennels, catteries, stables, homes and gardens. (
  • In Science of Survival, Hubbard discusses the correlation between body odor, bodily substances, and one's position on the emotional tone scale: The body is normally sweet-smelling down to 2.0 but begins to exude chronically certain unpleasant effluvia from 2.0 down. (
  • For most untrained individuals, the act of smelling acquires little information concerning the specific ingredients of an odor. (
  • But we have a threshold for the frequency and duration of the odour, above which our tolerance is exceeded and we view the odour as a nuisance. (
  • While it is the frequency and duration of an odour that often triggers a nuisance complaint, odour measurement procedures typically focus on the first three traits (intensity, offensiveness and character). (
  • People have different abilities and tolerances of odours, and as such, we are faced with an often difficult task of establishing whether the odour is bad enough to cause a 'nuisance' or simply causes annoyance. (
  • It is cleared out from time to time and has a noticeable smell of ammonia from bird droppings. (
  • Valspar, a US firm whose products are supplied exclusively in the UK by B&Q , blamed the removal of a preservative for the 'ammonia-type odour' and said it had now been reinstated. (
  • I n a statement, Valspar said it had re-added an additive previously removed from eight of its 140 paint products, having identified that "in exceptional circumstances" the paints emit an ammonia-type odour. (
  • It said: "The ammonia-type odour occurs very rarely and when used on walls that are particularly porous, and where the wall is exposed to excessive heat or direct sunlight. (
  • These receptors do not detect other important odours released by people, such as ammonia, butylamine and lactic acid. (
  • I have a ammonia kind of smell in my underwear, my discahrge can sometimes be thick and sometimes it's also very watery which makes my underwear wet/damp and it's really embarresing. (
  • That would be the magic moment when humans concerned about their body odour will no longer need to buy deodorant or perfume. (
  • Deodorant not enough to stop your body odour? (
  • This expert pet stain and odour elimination cleaning information are given by Graeme Stephens. (
  • Steam 'n' Dry Carpet Cleaning Auckland offer pet stain odour removal and carpet repairs to replace the underlay that is a contamination source. (
  • The Simple Solution Patio & Decking Stain & Odour Remover uses the latest bacterial enzyme technology to instantly target and remove pet waste odours by accelerating breakdown to give you professional results. (
  • There are currently no questions for Simple Solution Patio & Decking Stain & Odour Remover - be the first to ask one! (
  • Simple Solution Urine Destroyer Stain & Odour Remover has been specially formulated to break down urine proteins and neutralise tough urine odours. (
  • Designed to penetrate into the odour source and eliminate the smell instead of masking it, the solution will get the urine stain out and is safe to use on carpets, upholstery, hard surfaces, cement and all other water-safe surfaces. (
  • This principle is used during the training of descriptive sensory panels where tasters are trained to recognise specific smells without any visual cues. (
  • These results suggest that the nerve pathways which report the presence of odours in the nose to the brain still work in people with smell disorders. (
  • Wear synchronised swimmers type nose plugs and you'll smell nothing at all. (
  • This allows our brain to process odour information coming from the nose and perceive, react to and remember smells. (
  • Security agents may have reputations for being gruff grouches who love nothing more than to nose through your bags, but their rotten tempers might be because of all the body odour they're forced to smell, day in, day out. (
  • In the eyes is the sight, the hearing in the ears, the smell in the nose, the taste in the mouth, the touch in all the members. (
  • Smell: A rather prominent smell of medicinal phenols hits the nose together with some yeast. (
  • There are many different causes for alteration, lack, or disturbance to normal olfaction, and can include damage to the peripheral nose or smell receptors, or central problems affecting the brain. (
  • Must have a good nose for blocking out the already rank smell to sniff out rancid meat, long arms to retrieve any bones that may have accidentally contaminated the sludge of blended animal parts and the ability to identify and physically remove those lumps of gristle that are even unappetising to little Tiddles. (
  • Scientists have taught mice to smell an odour that doesn't exist in order in a study to show how the brain identifies different scents. (
  • Because scents can vary and mingle with others, scientists have struggled to precisely track a single smell across several types of neurons. (
  • Fluctuation in ovarian hormones is also linked to odour-mediated preferences for partner quality, as evidenced by cyclical shifts in female preference for scents associated with masculinity and symmetry [ 14 ]. (
  • For their study, they recruited 50 participants who were asked to smell the odours of four odorants (essential oil of pine, geraniol, cumin, as well as parmesan cheese). (
  • Beets, M. G. J. and Theimer, E. T. (1970) Odour Similarity Between Structurally Unrelated Odorants, in Ciba Foundation Symposium - Taste and Smell in Vertebrates (eds G. E. W. Wolstenholme and J. Knight), John Wiley & Sons, Ltd., Chichester, UK. (
  • The combination of two odorants can have an odour equal to that of either one of the components, have an odour less than that of one of the components, have an odour equal to the sum of the components, or even have an odour greater than the sum of the components. (
  • Those that are @20% could go down to 10% with another solvent like perfumers alcohol or everclear for smelling purposes (by adding the same weight again 1:1 for those who don't know this). (
  • Q Hi, for 'WINSOR & NEWTON SANSODOR LOW ODOUR SOLVENT', I wonder if it could be shipped overseas, say Hong Kong? (
  • Every test they threw at her suggested she did indeed have a good ability to distinguish odours, despite lacking the neurons typically believed necessary to do so. (
  • Wen Li from Northwestern University wanted to see how people learn to distinguish the critical smells from the unimportant ones. (
  • The team claims to have decoded how mammalian brains perceive odours and distinguish one smell from thousands of others. (
  • To distinguish between products with and without a characterising flavour, we trained an expert panel to identify characterising flavours by smelling. (
  • Aromatic carboxylic acids have relatively faint odours, but aliphatic monocarboxylic acids all have strong odours - think of the dilute aqueous solution of ethanoic acid, known as vinegar! (
  • Dilution-to-threshold techniques dilute an odour sample with odourless air at a number of levels and the dilution series is presented in ascending order of odour concentration. (
  • Methods An expert panel (n=18) evaluated the smell of 20 tobacco products using self-defined odour attributes, following Quantitative Descriptive Analysis. (
  • Principal component analysis, hierarchical clustering (four and six clusters) and Hotelling's T-tests (95% and 99% CIs) were used to determine differences and similarities between tobacco products based on odour attributes. (
  • Conclusions An expert panel was successfully trained to assess characterising odours in cigarettes and roll-your-own tobacco. (
  • 6. Does Airfree reduce tobacco smell? (
  • Yes, Airfree reduces any kind of organic smell in the ambience including tobacco. (
  • Ekaterina Litvinova has found that when male mice get a whiff of female odours, their immune systems prepare their airways for attack, increasing their resistance to flu viruses. (
  • Roberts SC, Misztal PK & Langford B (2020) Decoding the social volatilome by tracking rapid context-dependent odour change. (
  • extended this concept to include the idea that the islands where seabirds nest would likewise emit odours that birds could use to navigate from long distances. (
  • Our selection of anti-bacterial disinfectants and deodorants are designed to sanitise living areas and remove strong odours caused by dogs. (
  • This can have a strong odour. (
  • It is a white solid with a strong rancid odour - they all have strong odours! (
  • Activated charcoal is used in water filters and to absorb strong odours. (
  • Most of us will accept even a strong odour for a short period of time, provided we do not have to smell it often. (
  • She proposed the smell regulations after visiting a Sturgeon Falls neighbourhood, where she quipped that the odour was strong enough to give her a 'buzz. (
  • It was an expression to express how strong the smell was that night. (
  • Sometimes there is a strong unusual smell & sometimes it smells like fish. (
  • U.S.A.], May 15 (ANI): Turns out, an altered body odour can indicate a specific infection among humans. (
  • see spelling differences ) is caused by one or more volatilized chemical compounds that are generally found in low concentrations that humans and animals can perceive by their sense of smell . (
  • As perceived by humans, odours have five basic properties that can be quantified: 1) intensity, 2) degree of offensiveness, 3) character, 4) frequency and 5) duration, all of which contribute to the neighbour's attitude towards the odour as well as the pig production generating the odour. (
  • Although the detection threshold concentrations of specific gases that evoke a smell are low, often times in the parts per billion (ppb) or parts per trillion (ppt) range, a concentration only 10 to 50 times above the detection threshold value often is the maximum intensity that can be detected by humans. (
  • He means that the bedroom is dripping in the body odour of the humans who sleep in that room. (
  • In complete contrast to our feline friends, humans have struggled for eons to cover up the smell of their bodies. (
  • Apparently, it is the prime reason why unwashed humans smell as they do. (
  • The cooperation of various brain regions and stimulation of brain activity via odourless air can possibly lead to a treatment for smell disorders. (
  • Have you ever wondered if sweat is odourless, why do our armpits smell? (
  • You'll find you will find 3 types of secretor glands onto the skin Body which we're most acquainted with may be the sweat gland in which the odour is of the acrid smell. (
  • This becomes a putrid type smell when the sweat remains to develop - develop is introduced about through the sweat getting trapped which in turn prevents evaporation. (
  • To understand why body odour happens, it helps to know a little bit about sweat. (
  • We also treat rugs and upholstery that have been abused by pet stains and odours and can equally remove the blemishes and unpleasant smells from those surfaces as well. (
  • A new study reveals that electric shocks can make people more sensitive to the differences between very similar chemicals that previously smelled identical. (
  • A latest biometric identification method boasts of using body odour to verify people, leaving fingerprint and facial recognition techniques way behind! (
  • Recognisable body odour patterns remain constant enough over time to allow people to be identified with an accuracy rate of 85 percent. (
  • There appears to be some clue about age of a person from body smell,as some people are able to correctly guess a person's age just by the smell of their body. (
  • And unbleiveably i started smelling starnge things like people every one who is besides me cant sit for minute they smell so bad. (
  • Their work led to the subsequent discovery of more than 1,000 different genes responsible for appreciating different types of odour, though some of these remain dormant in many people. (
  • People are going to have to get used to the smell of cannabis. (
  • Perhaps they will still buy perfume because a lot of people have got used to smelling like perfume. (
  • The reason they find some people more attractive than others is usually down to smell,' says Dr. Logan. (
  • Changes in the sense of taste and smell in cancer patients Changes in the sense of taste and smell are a common side-effect experienced by patients being treated for cancer. (
  • Pregnant women have increased smell sensitivity, sometimes resulting in abnormal taste and smell perceptions , leading to food cravings or aversions. (
  • and, along with the sense of taste, it determines the taste and smell of food. (
  • Chronic smell problems are reported in small numbers for those in their mid-twenties, with numbers increasing steadily, with overall sensitivity beginning to decline in the second decade of life, and then deteriorating appreciably as age increases, especially once over 70 years of age. (
  • The reaction can be based on previous experience, relationship to the odour-producing enterprise and the sensitivity of the individual. (
  • We hypothesized that body odour disgust sensitivity (BODS) might be associated with authoritarianism, as chemo-signalling is a primitive system for regulating interpersonal contact and disease avoidance, which are key features also in authoritarianism. (
  • Sobel says the 29-year-old was adamant: I have a very good sense of smell, she claimed. (
  • Bad experiences can be powerful learning aids for our sense of smell. (
  • The research results show that various areas in the brain cooperate as a network to sense odours. (
  • In various population groups, some five to 20% have lost the sense of smell, a percentage which increases with age. (
  • It may be possible to (partially) repair the lost sense of smell in the future via better treatments, such as more effective smell training. (
  • The 48 participants were carefully selected from a group of 124 patients with a lost sense of smell in order to exclude any disruptive factors. (
  • The sense of smell of the test subjects was determined based on three tests: sensing odours (threshold), distinguishing different odours and recognising and identifying specific odours. (
  • Combining the results of these validated tests led to a total score for the patients' sense of smell. (
  • The test method showed 29 test subjects were unable to smell, while the others had a diminished sense of smell. (
  • It was the first time that research into the activity of brain networks was performed among test subjects without a sense of smell. (
  • The reason behind this phenomenon is that the process in our brain that is responsible for odour identification actually has less to do with our sense of smell than you would think. (
  • [6] The ability to taste also decreases with age as the sense of smell tends to dominate the sense of taste. (
  • One of the possible mechanisms for assessing menstrual cycle phase is through the sense of smell. (
  • From c.1400, borrowed from Old French sentir ( " to feel, perceive, smell " ) , from Old French sentire "to feel, perceive, sense ", from Latin sentīre , present active infinitive of sentiō . (
  • The sense of smell. (
  • it smells most sweetly in my sense. (
  • Alright, I've made the point that domestic cats depend upon their sense of smell in so many ways including marking territory which leaves a message to other cats as to when and where the marker was there. (
  • citation needed] Experienced individuals, however, such as flavorists and perfumers, can identify discrete chemicals in complex mixtures using only the sense of smell. (
  • The sense of smell can induce pleasure or subconsciously warn of danger, which may, for example, help to locate mates, find food, or detect predators. (
  • This is despite an apparent evolutionary decline in the sense of smell. (
  • Olfaction uses chemoreceptors that create signals processed in the brain that form the sense of smell. (
  • They hear and detect moisture and temperatures, but the sense of smell is most important and we all smell slightly different,' Human bodies produce around 500 different volatile chemicals that waft off our skins into the air. (
  • that conservatives have a better sense of smell than liberals too, and somehow that makes us want to vote for Donald Trump. (
  • Seeking non-pukers with no sense of smell who don't fear the reaper and enjoy industrial cleaning. (
  • This was shown in research by the Smell and Taste Centre among 48 patients with a smell disorder. (
  • The Smell and Taste Centre, established as a collaboration between the Dutch hospital De Gelderse Vallei and Wageningen University & Research in the Nutrition & Healtcare Alliance, recommends focusing future research on treatment options for patients with smell disorders. (
  • Decoding how the brain tells apart odours is complicated, in part, because unlike with other senses such as vision, we do not yet know the most important aspects of individual smells,' said study lead investigator Edmund Chong at NYU Langone Health, a medical centre in New York City. (
  • The main part of the brain that lights up during high level odour processing is the primary visual cortex which has very little to do with olfaction and everything to do with generating mental images and identifying objects. (
  • Recent studies on olfaction in penguins have focused on their use of odours while foraging. (
  • [9] Often, land organisms will have separate olfaction systems for smell and taste (orthonasal smell and retronasal smell ), but water-dwelling organisms usually have only one system. (
  • Certain medications and coverings for Body Odour Smells might not be agreeable for your skin thus leading to allergy symptoms so it's a good idea to seek medical health advice. (
  • Because the activated charcoal absorbs odour, it leaves the room smelling naturally fresh. (
  • The odour naturally wears off over time. (
  • Benzene is a colourless, flammable liquid with a pleasant odour. (
  • describe emerging odour measurement techniques. (
  • Most often, however, odour 'threshold' is used to describe the detection threshold, which identifies the concentration at which 50 pe cent of a human panel can identify the presence of an odour or odorant without characterising the stimulus. (
  • Evaluation of odour quality is difficult because of the challenges that come with trying to describe odours. (
  • If you have a pet, then stains, spots, and odour issue are probably typical for you as they can make your upholstered furniture, carpet, underlay, and sub-flooring smelly. (
  • The study also reveals that contrary to popular belief, the so-called 'old-person smell' is less intense and less unpleasant than body odors of middle-aged and young individuals. (
  • Interestingly, however, evaluators rated body odors from the old-age group as less intense and less unpleasant than the smells from the other two age groups. (
  • Also, when clothes are stored for a long time they present a musty smell, and moisture and shoes can cause carpets to have bad odors. (
  • Just a tasteful smell/odour/fragrance. (
  • The fragrance needs to remain suspended in the air so that the stale smell is kept away long enough. (
  • Because nothing smells sweeter than the combination of "fragrance" and rotting garbage. (
  • The grass fragrance will leave your patio smelling fresh and clean. (
  • Our professional Steam 'n' Dry Carpet Cleaning Auckland service knows how to get urine smell out of carpets . (
  • To test the hypothesis that difficulty in identifying odours in old age is related to the accumulation of Alzheimer's disease pathology. (
  • In the present study, we examined the relationship between odour identification and Alzheimer's disease pathology using data from the Rush Memory and Aging Project, 9 a clinical-pathological study of common chronic conditions of old age. (
  • Similarily, it is known that we react faster to food odours than to other types of odours. (
  • If you have synthetic grass on your lawn it is even simpler to remove the smell of urine as synthetic grass will have a drainage system. (
  • Given the good results of indoor methods for malaria control such as insecticidal nets and spraying, traps fitted with synthetic odours should especially target outdoor transmission,' Okumu agreed. (
  • Odour threshold is a term used to identify the concentration at which animals respond 50 per cent of the time to repeated presentations of an odorant being tested. (
  • The recognition threshold is the concentration at which 50 per cent of the panel can identify the odorant or odour. (
  • The odour threshold is 12 ppm. (
  • Go ahead and take ft or in the armpits they are both location of distinguishing smells. (
  • The ancient Egyptians daubed their armpits with spices and citrus oils to quash that embarrassing smell that cats know so well. (