Millions of olfactory receptors. Medical search. Frequent questions

Humans have between 10 and 20 million olfactory receptor neurons (ORNs). (wikipedia.org)
As humans age, the number of olfactory neurons steadily decreases. (medscape.com)
From the beginning, humans have used their olfactory sense-science's fancy way of saying sense of smell -to identify food, potential mating partners, dangers, enemies, and more. (youngliving.com)
Humans have approximately 5 million olfactory receptors in the nose. (grandviewoutdoors.com)
This number may not seem very large considering the trillions of cells that compose the bodies of higher organisms such as dogs or humans, but when compared to the mere 5 million olfactory receptors that humans possess, the reason that dogs are so essential to rescue teams, police forces, and defense units around the world becomes evident. (usc.edu)
Intricate nasal anatomy and the highly developed olfactory lobe of canine brains provide dogs with a sense of smell 1,000 times more sensitive than that of humans. (usc.edu)
Comparison of Olfactory Performance in Dogs and Humans. (ivis.org)
Dogs have 220 million olfactory receptors, which is more than quadruples the amount humans have. (kztv10.com)
While humans have about six million olfactory receptors, a herding dog has more than 200 million, and a beagle even 300 million. (izw-berlin.de)
Dogs have millions more olfactory receptors than humans and they use a lot of their brains to figure out what those smells mean. (spotlightnews.com)
In humans, the cerebral representation of the olfactory system is small when compared with other sensory systems. (jneurosci.org)
Humans have between 6-10 million of these neurons, each one using a single type of olfactory receptor which detects specific types of chemicals 1 . (helix.com)
They have over 220 million olfactory receptors, compared to humans' six million. (pagesgarden.com)
Last month John McGann, an Associate Professor at Rutgers, published a review in Science last month reminding us that humans do, after all, have an olfactory bulb, and Swedish professor Matthias Laska has extensively demonstrated that in detecting some odors, such as amyl acetate (which smells like banana), we are plenty sensitive. (wuwm.com)
Dogs have 300 million olfactory receptors, while humans have six million. (donamowservices.com)
Because canines possess approximately 300 million olfactory receptors in their noses, whereas humans have about 6 million. (fox35orlando.com)
Cats have over 200 million olfactory scent receptors (humans have around 5 million) - 40x stronger than ours. (catsmatter.org)
Millions of people suffer from malaria causing severe illness and death to affected humans. (ijbs.com)
They have more than three hundred million olfactory receptors, while humans only have six million. (lifebuzz.com)
Humans only have six million. (dogsbestlife.com)
While humans have approximately 6 million olfactory receptors, dogs have up to 300 million. (petzone.blog)
In comparison, humans only have about 6 million receptors. (dogbreeds911.com)
Humans have around 5 million olfactory receptor neurons. (yourawesomepets.com)
You may have heard trivia like dogs detecting fear through human breath, dogs having about 230 million olfactory receptors in their nose (while humans only have about 5 million), or that a Border Collie is capable of herding up to 1,000 sheep at once! (perfectpetzzz.com)
Due to their 220 million olfactory receptors, dogs can use the scent of things to understand their environment as well as humans and animals, as everyone and everything has a particular smell. (aussiepm.com.au)
Unlike dogs, humans only have 5 million olfactory receptors, just for scale. (aussiepm.com.au)

In vertebrates, ORNs are bipolar neurons with dendrites facing the external surface of the cribriform plate with axons that pass through the cribriform foramina with terminal end at olfactory bulbs. (wikipedia.org)
In addition to the olfactory neurons, the epithelium is composed of supporting cells, Bowman glands and ducts unique to the olfactory epithelium, and basal cells that allow for the regeneration of the epithelium, including the olfactory sensory neurons. (medscape.com)
In common with other mammals, the olfactory system is composed of sensory neurons that transmit information from olfactory epithelium to the olfactory bulb, from where signals are then relayed to the olfactory cortex of the brain ( Sheperd, 2006 ). (jneurosci.org)
There are approximately 400 different types of olfactory receptors located on the tips of specialized neurons in the nasal cavity 2 . (helix.com)
Single-cell transcriptomic profiling of Drosophila olfactory receptor neurons. (elifesciences.org)
Three types of olfactory receptor neurons (ORNs) are portrayed in three different colors (green, magenta, and blue) and their cell bodies are housed in the antennae and maxillary palps. (elifesciences.org)
In female mosquitoes, AgOR1-expressing olfactory receptor neurons (ORNs) were almost exclusively segregated in segments 3 to 9, whereas AgOR2-expressing ORNs were distributed over flagellomeres 2 to 13. (ijbs.com)
Insects detect and discriminate volatile odorants by means of olfactory receptor neurons (ORN) located in sensory structures called olfactory sensilla. (ijbs.com)
Scientists at the University of California, Riverside have identified neurons in Drosophila antennae that express a highly conserved, DEET-sensitive olfactory receptor, Ir40a. (genengnews.com)
The specialized olfactory epithelial cells characterize the only group of neurons capable of regeneration. (medscape.com)
The continuous turnover and new supply of these neurons are unique to the olfactory system. (medscape.com)
The receptor cells are actually bipolar neurons, each possessing a thin dendritic rod that contains specialized cilia extending from the olfactory vesicle and a long central process that forms the fila olfactoria. (medscape.com)
The small, unmyelinated axons of the olfactory receptor cells form the fine fibers of the first cranial nerve and travel centrally toward the ipsilateral olfactory bulb to make contact with the second-order neurons. (medscape.com)
Mitral cells are second-order neurons contacted by the olfactory nerve fibers at the glomerular layer of the bulb. (medscape.com)
It is known that neurons and glia express the putative SARS-CoV-2 receptor angiotensin converting enzyme 2 ( 7 ), and that the related coronavirus SARS-CoV (responsible for the 2003 SARS outbreak) can inoculate the mouse olfactory bulb ( 8 ). (cdc.gov)

Each olfactory receptor cell expresses only one type of olfactory receptor (OR), but many separate olfactory receptor cells express ORs which bind the same set of odors. (wikipedia.org)
We admire the dog's olfactory acuity, and we should: dogs have hundreds of millions more olfactory receptors, the cells at the back of the nose that grab odors out of the air, than we do. (wuwm.com)
The vibrant colorful world, however, pales in comparison to the complexity of the chemical world, with its many millions of odors, each composed of hundreds of molecules, all varying greatly in shape, size and properties. (rockefeller.edu)
Their promiscuity in pairing with a variety of odors allows each receptor to respond to many chemical components. (rockefeller.edu)
The receptors AgOR1 and AgOR2, as well as the binding protein AgOBP1, have been implicated in the recognition of human host odors. (ijbs.com)
While female Anopheles rely on their sense of smell to find a blood host in addition to sugar providing plants and appropriate oviposition sites [ 1 ], the nectar feeding male mosquitoes mainly use their olfactory system to locate host plant odors [ 2 , 3 ]. (ijbs.com)
Another plus for the deer family is that some of these receptors are specialized to detect certain odors. (wanderingoutdoors.com)
These scientists revealed that white-tailed deer have thousands of receptors in their nostrils that help them distinguish up to six different odors simultaneously. (wanderingoutdoors.com)
Both odors together intensify the activation of DA1," explains Silke Sachse, head of the "Olfactory Coding" research group. (scitechdaily.com)
Thus both odors activate the same olfactory glomerulus, just through different neuronal pathways. (scitechdaily.com)
The more general rule is that different odors rather inhibit each other and lead to mixture inhibition which allows the olfactory system not to become saturated when more than one odor is perceived," Silke Sachse emphasizes. (scitechdaily.com)
These signals, which are not detected consciously as odors by the olfactory system, mediate human autonomic, psychological, and endocrine responses. (medscape.com)

The axons of olfactory receptor cells which express the same OR converge to form glomeruli in the olfactory bulb. (wikipedia.org)
When the smell receptors are stimulated, signals travel along the olfactory nerve to the olfactory bulb . (kidshealth.org)
The olfactory bulb is underneath the front of your brain just above the nasal cavity. (kidshealth.org)
Signals are sent from the olfactory bulb to other parts of the brain to be interpreted as a smell you may recognize, like apple pie fresh from the oven. (kidshealth.org)
This study examined a cohort of mixed-sex mesaticephalic canines and used diffusion tensor imaging (DTI), an MRI technique, to map connections from the olfactory bulb to other cortical regions of the brain. (jneurosci.org)
This is the first documentation of a direct connection between the olfactory bulb and occipital lobe in any species and is a step toward further understanding how the dog integrates olfactory stimuli into their cognitive function. (jneurosci.org)
We discovered an extensive white matter network extending from the olfactory bulb to form novel connections directly to other cortices of the brain. (jneurosci.org)
When we inhale an aroma, the olfactory receptors send signals to the brain's olfactory bulb, where the scent is processed and identified. (gymsozluk.com)
The olfactory bulb is closely linked to the brain's limbic system, which is responsible for emotions, memories, and behavior. (gymsozluk.com)
In case of inhalation of essential oils, the oil molecules reach the lungs as well as the olfactory bulb present in the nose. (keyaseth.in)
The olfactory bulb lies inferior to the basal frontal lobe. (medscape.com)
The olfactory bulb is a highly organized structure composed of several distinct layers and synaptic specializations. (medscape.com)

The ORNs are located in the olfactory epithelium in the nasal cavity. (wikipedia.org)
The cell bodies of the ORNs are distributed among all three of the stratified layers of the olfactory epithelium. (wikipedia.org)
An odorant will dissolve into the mucus of the olfactory epithelium and then bind to an OR. (wikipedia.org)
Up on the roof of the nasal cavity (the space behind your nose) is the olfactory epithelium (say: ol-FAK-tuh-ree eh-puh-THEE-lee-um). (kidshealth.org)
The olfactory epithelium contains special receptors that are sensitive to odor molecules that travel through the air. (kidshealth.org)
Within the nasal cavity, the turbinates or nasal conchae serve to direct the inspired air toward the olfactory epithelium in the upper posterior region. (medscape.com)
The olfactory epithelium consists of 3 cell types: basal, supporting, and olfactory receptor cells. (medscape.com)
As previously mentioned, the trigeminal nerve (cranial nerve V) sends fibers to the olfactory epithelium to detect caustic chemicals, such as ammonia. (medscape.com)

Researchers say dogs' noses contain about 300 million olfactory receptors, enabling them to smell in 3D. (k9magazinefree.com)
We applied diffusion tractography and dissection techniques to evaluate the white matter connections associated with the olfactory system in a large cohort of dogs. (jneurosci.org)
This is the first documentation of these novel olfactory connections and provides new insight into how dogs integrate olfactory stimuli in their cognitive functioning. (jneurosci.org)
Studies have also found that trained dogs primarily use olfaction in detection settings, regardless of any available visual stimuli, demonstrating the dominance of the olfactory system on dog cognition ( Gazit and Terkel, 2003 ). (jneurosci.org)
Dogs possess up to 300 million olfactory receptors. (dogsbestlife.com)
dogs have up to 300 million! (thebigdeer.com)
Jacobson's Organ helps dogs receive olfactory information from droplets in liquid form. (yourawesomepets.com)
Dogs possesses up to 300 million olfactory receptors in their noses. (valork9academy.com)

Cats olfactory prowess, with a staggering 50 to 80 million scent receptors compared to our mere 5 million, allows them to sense chemical changes in your body. (floppycats.com)
Because bloodhounds have more than 300 million scent receptors - more than any other breed - they can follow scents both on the ground and in the air. (dogsbestlife.com)

To stimulate the olfactory receptors, airborne molecules must pass through the nasal cavity with relatively turbulent air currents and contact the receptors. (medscape.com)
Receptors are proteins that specifically bind with different types of molecules to facilitate chemical communication within our bodies. (youngliving.com)
There are hundreds of different odor receptors, each with the ability to sense certain odor molecules. (kidshealth.org)
Olfactory receptors detect the different scent molecules present in the inhaled air. (petside.com)
OR2M7 is among many olfactory genes that code for olfactory receptors, which are proteins that detect airborne molecules and initiate a relay of signaling back to the brain. (helix.com)
Similarly, changes in the DNA can also cause the olfactory receptors to recognize different molecules, or to be less sensitive to those molecules 1 . (helix.com)
The olfactory system has to recognize a vast number of molecules with only a few hundred odor receptors or even less," says Rockefeller neuroscientist Vanessa Ruta . (rockefeller.edu)
While most receptors are precisely shaped to pair with only a few select molecules in a lock-and-key fashion, most olfactory receptors each bind to a large number of different molecules. (rockefeller.edu)
The researchers chose OR5, a receptor from the jumping bristletail with broad recognition ability, responding to 60 percent of the small molecules they tested. (rockefeller.edu)
Our noses contain millions of olfactory receptors that can detect a vast array of odorous molecules. (gymsozluk.com)
Activation occurs when odiferous molecules come in contact with specialized processes known as the olfactory vesicles. (medscape.com)

An olfactory receptor neuron (ORN), also called an olfactory sensory neuron (OSN), is a sensory neuron within the olfactory system. (wikipedia.org)
Chemoreceptor Sensory receptor List of distinct cell types in the adult human body Berkowicz, D. A. (wikipedia.org)
You have millions of receptors on your body, but we want to focus on your sensory and thermoreceptors, because they're the ones involved in touch, taste, and smell. (youngliving.com)
Despite their diversity, these receptors function the same way: They form an ion channel-a pore through which charged particles flow-that opens only when the receptor encounters its target odorant, ultimately activating the sensory cells that initiate the sense of smell. (rockefeller.edu)
The olfactory system represents one of the oldest sensory modalities in the phylogenetic history of mammals. (medscape.com)

This allows them to detect scents at 100 million times lower concentrations than we can. (thebigdeer.com)

SIGNIFICANCE STATEMENT The highly sensitive olfactory system of the domestic dog is largely unexplored. (jneurosci.org)

Odorants can also be perceived by entering the nose posteriorly through the nasopharynx to reach the olfactory receptor via retronasal olfaction. (medscape.com)
These receptors are very small - there are about 10 million of them in your nose! (kidshealth.org)
The canine nose contains 220 million olfactory receptors. (usc.edu)
Once the smell gets through the nose, the electrical impulse gets to the brain through the specialized olfactory receptors and is interpreted as tangible messages that the dog can understand. (k9magazinefree.com)
A dog's nose contains 220 million olfactory receptors compared to your own measly 5 million. (petguide.com)
A dog's sense of smell is primarily attributed to the number of olfactory receptors in their nose. (petzone.blog)
That's compared to only about six million in the human nose. (valork9academy.com)

It's believed whitetails have nearly 300 million. (grandviewoutdoors.com)
A Flemish Hound's olfactory sense has nearly 300 million receptors. (dogbreeds911.com)

The olfactory neuroepithelium is located at the upper area of each nasal chamber adjacent to the cribriform plate, superior nasal septum, and superior-lateral nasal wall. (medscape.com)
These particles go straight into the animal's nasal chambers where its olfactory receptors pick up the airborne scent. (petside.com)
Sensitive receptors in the nasal cavity may be damaged. (yourawesomepets.com)

E-F ) Expression of genes found in developing ORNs (E) and a subset of mature ORNs (F). Heat map units, log 2 (CPM+1) (CPM: counts per million reads). (elifesciences.org)
We filtered for high-quality ORNs by ensuring that they expressed two out of five neuronal markers (in black) at log 2 (CPM+1) ≥ 2 (CPM: counts per million reads). (elifesciences.org)

The brain interprets the combination of receptors to recognize any one of about 10,000 different smells. (kidshealth.org)
Each ORN type expresses a unique olfactory receptor or a unique combination of receptors and sends its axons to a stereotyped glomerulus. (elifesciences.org)

Many scent breeds, such as the bloodhound, have been selectively bred for olfactory tasks such as tracking, an attribute reflected in their ear and head shape, which optimizes odor collection into the nostrils. (jneurosci.org)
they possess millions more olfactory receptor cells within their nostrils that make them capable enough to differentiate between distinct odours effortlessly. (doghousefmb.com)

We have a mere 7 million olfactory receptors, while whitetail deer have almost 300 million. (worlddeer.org)
In contrast, deer such as elk, wapiti, and moose have almost 300 million such receptors. (wanderingoutdoors.com)

they have 300 million receptors to capture and interpret the smells of the environment. (wanderingoutdoors.com)
These receptors connect to specific parts of the mosquito brain called "glomeruli," which respond to different kinds of smells. (medlineplus.gov)

Knowing all this, I recently embarked on a project culminating in my book Being a Dog: Following the Dog into a World of Smell, in which I tried to improve my sense of smell by following the dog's lead, as well as that of some olfactory experts, among them a perfumer, a sommelier, and a pair of animal trackers. (wuwm.com)

Glomeruli are spherical functional units in the antennal lobe, the olfactory center in the fly brain. (scitechdaily.com)
The glomerular layer is the most superficial layer, consisting of mitral cell dendritic arborizations (glomeruli), olfactory nerve fibers, and periglomerular cells. (medscape.com)

These receptors then convert the chemical signals into electrical signals for the cat's brain to decipher. (petside.com)
The passage of air through the olfactory receptors in the muzzle sends signals to the olfactory cortex located in the brain's temporal lobe. (wanderingoutdoors.com)

Scentian Bio has developed a patented biosensor technology based on insect olfactory receptors for the VOC detection tool. (perfumerflavorist.com)
The team turned to the jumping bristletail, a ground-dwelling insect whose genome has been recently sequenced and has only five kinds of olfactory receptors. (rockefeller.edu)
Although the jumping bristletail's olfactory system is simple, its receptors belong to a large family of receptors with tens of millions of variants thought to exist in hundreds of thousands of different insect species. (rockefeller.edu)
And it is unaffordable in Africa and other parts of the world where hundreds of millions suffer from insect-transmitted diseases. (genengnews.com)
Mosquitoes also have multiple smell (or "olfactory") receptors in different locations: the antennae, the maxillary palp (near the mouth), and the proboscis (a mouth-like tube that helps the insect drink). (medlineplus.gov)

Research has shown that canines use olfactory markers to communicate using behavior such as marking and sniffing as well as to perceive pheromones for mating ( Pageat and Gaultier, 2003 ). (jneurosci.org)

Despite this evidence that olfaction plays a key role in canine cognition and behavior, the structure of the dog olfactory system within the brain remains a mystery. (jneurosci.org)

Your canine pal has 220 million (bloodhounds have 300 million). (grandviewoutdoors.com)

In A. gambiae , the majority of olfactory sensilla populate the antennae [ 4 ], whereas much lower numbers are located on the other two olfactory appendages, the maxillary palps and the proboscis [ 5 ]. (ijbs.com)

Head anatomy with olfactory nerve. (medscape.com)
Lastly, we performed RNA-sequencing on the injured optic nerve and reveal that CNTF overexpression in RGCs results in significant changes in the expression of distinct genes, including those that encode chemokines, growth factor receptors, and immune cell modulators. (bvsalud.org)
The cribriform plate of the ethmoid bone, separated at the midline by the crista galli, contains multiple small foramina through which the olfactory nerve fibers, or fila olfactoria, traverse. (medscape.com)
Each mitral cell is contacted by at least 1000 olfactory nerve fibers. (medscape.com)
Brain infection is thought to occur by means of direct neuronal transmission of the virus from a peripheral site to the brain via the trigeminal or olfactory nerve and indirect immune-mediated processes inducing neuroinflammation. (medscape.com)

Olfactory acuity is at a maximum when the dog is hungry and falls when the dog is satiated. (ivis.org)

A coyote likely has fewer olfactory receptors than a whitetail or equal numbers at best. (grandviewoutdoors.com)

The dendrites extend to the olfactory epithelial surface and each ends in a dendritic knob from which around 20 to 35 cilia protrude. (wikipedia.org)
These specialized epithelial cells give rise to the olfactory vesicles containing kinocilia, which serve as sites of stimulus transduction. (medscape.com)

It is an important component of the olfactory system of reptiles, amphibians, and a large group of mammals. (petside.com)
however, little is known about the structure of its olfactory system. (jneurosci.org)
There is increasing evidence for the olfactory system playing a dominant role in dog cognition rather than a more complementary role as is often described in human functioning. (jneurosci.org)
Although it's an important system, scientists don't yet know exactly how it works, in part because the olfactory system (the collection of cells and organs that allow us to smell) is extremely complex and diverse. (helix.com)
A ) Schematic of the Drosophila olfactory system. (elifesciences.org)
All senses must reckon with the richness of the world, but nothing matches the challenge faced by the olfactory system that underlies our sense of smell. (rockefeller.edu)
The findings, published in Nature , reveal that olfactory receptors indeed follow a logic rarely seen in other receptors of the nervous system. (rockefeller.edu)
To form a basic understanding of odorant recognition we need to know how a single receptor can recognize multiple different chemicals, which is a key feature of how the olfactory system works and has been a mystery," says Josefina del Mármol, a postdoc in Ruta's lab. (rockefeller.edu)
The olfactory system enhances our perception of flavors, making food more enjoyable. (gymsozluk.com)
As a chemical sensor, the olfactory system detects food and influences social and sexual behavior. (medscape.com)

Odorants diffuse into the mucous and are transported to the olfactory receptor. (medscape.com)

Primitive olfactory receptors of the jumping bristletail are thought to be amongst the most evolutionarily ancient versions of olfactory receptors in insects. (rockefeller.edu)
Repellents that might have succeeded DEET were never developed, mainly because the receptor in insects for DEET remained unknown. (genengnews.com)

In fact, there are nearly 1,000 genes coding for olfactory proteins-that's more than any other group of genes in the entire genome 1 . (helix.com)
Odor-detection in the malaria mosquito Anopheles gambiae involves large families of diverse proteins, including multiple odorant binding proteins (AgOBPs) and olfactory receptors (AgORs). (ijbs.com)
In this study, we have explored the expression of these olfactory proteins, as well as the ubiquitous odorant receptor heteromerization partner AgOR7, in the thirteen flagellomeres (segments) of female and male antenna. (ijbs.com)

Mammalian Odorant Receptors: Functional Evolution and Variation. (helix.com)
Schymura D, Forstner M, Schultze A, Kröber T, Swevers L, Iatrou K, Krieger J. Antennal expression pattern of two olfactory receptors and an odorant binding protein implicated in host odor detection by the malaria vector Anopheles gambiae . (ijbs.com)

Genetic Basis of Olfactory Cognition: Extremely High Level of DNA Sequence Polymorphism in Promoter Regions of the Human Olfactory Receptor Genes Revealed Using the 1000 Genomes Project Dataset. (helix.com)

The sense of smell is mediated through stimulation of the olfactory receptor cells by volatile chemicals. (medscape.com)
Without receptors, you wouldn't sense those super-cooling powers. (youngliving.com)
So how many receptors are dedicated to the olfactory sense? (youngliving.com)
It is somewhat unclear how genetic variants affect a person's sense of smell, because olfactory systems are very difficult to recreate in the research lab. (helix.com)
We need only three receptors in our eyes to sense all the colors of the rainbow-that's because different hues emerge as light-waves that vary across just one dimension, their frequency. (rockefeller.edu)
Our olfactory sense, or the sense of smell, plays a remarkable role in our daily lives, often going unnoticed or underappreciated. (gymsozluk.com)
Deer's sense of smell is potent because they have many more olfactory receptors than other animals. (wanderingoutdoors.com)

Research has shown that an odor can stimulate several different kinds of receptors. (kidshealth.org)
In a new study, Ruta and her colleagues offer answers to the decades-old question of odor recognition by providing the first-ever molecular views of an olfactory receptor at work. (rockefeller.edu)
From there, the brain can figure out the odor by considering the activation pattern of combinations of receptors. (rockefeller.edu)
Complicating the matter, there seems to be no rhyme or reason to the receptors' preferences-an individual odor receptor can respond to compounds that are both structurally and chemically different. (rockefeller.edu)
The channel pore (blue) of an olfactory receptor dilates (pink) when an odor molecule binds to the receptor. (rockefeller.edu)

Many tiny hair-like non-motile cilia protrude from the olfactory receptor cell's dendrites. (wikipedia.org)
The cilia have a length of up to 100 micrometres and with the cilia from other dendrites form a meshwork in the olfactory mucus. (wikipedia.org)
The surface of the cilia is covered with olfactory receptors, a type of G protein-coupled receptor. (wikipedia.org)

Basal cells are stem cells that give rise to the olfactory receptor cells (seen in the image below). (medscape.com)

When compounds in essential oils bind to receptors, they trigger specific effects in our bodies depending on the oil's constituents and how you've applied it-topically or aromatically. (youngliving.com)

Altogether, the results demonstrate that both sexes express the two olfactory receptor types as well as the binding protein AgOBP1 but there is a significant sexual dimorphism concerning the number and distribution of these cells. (ijbs.com)
A recent study revealed that wapiti possesses specific olfactory cells that efficiently identify the smell of wolf feces. (wanderingoutdoors.com)
This area (only a few centimeters wide) contains more than 100 million olfactory receptor cells. (medscape.com)
Supporting cells are scattered among the receptor cells and have numerous microvilli and secretory granules, which empty their contents onto the mucosal surface. (medscape.com)

Mosquitoes have taste receptors on their feet as well as their tongue, so once it lands, the mosquito can taste the host even before it bites. (medlineplus.gov)

Besides identifying the DEET-detecting receptors, Ray and his colleagues identified three safe compounds that mimic DEET and could one day be used to prevent the transmission of deadly vector-borne diseases such as malaria, dengue, West Nile virus, and yellow fever. (genengnews.com)
Using chemical informatics, Ray's lab screened more than 440,000 compounds against the DEET receptor to identify substitutes. (genengnews.com)
According to the lat- compounds have different designations, est report, it kills between 1.5-2.7 million among which azadirachtin A is the major people every year [ 1 ]. (who.int)

But scientists have not been able to see them up close and decipher their structural and mechanistic workings, in part because these receptors didn't lend themselves to commonly available molecular imaging methods. (rockefeller.edu)

In neonates, this area is a dense neural sheet, but, in children and adults, the respiratory and olfactory tissues interdigitate. (medscape.com)

Following the glow, the researchers found activated receptors lining the inside of a poorly studied region of the antenna called the sacculus. (genengnews.com)

Anatomy33

Organisms44

Diseases5

Chemicals and Drugs55

Analytical, Diagnostic and Therapeutic Techniques and Equipment15

Psychiatry and Psychology8

Phenomena and Processes44

Disciplines and Occupations3

Information Science4

Health Care1

Humans26

Neurons15

Odors12

Bulb12

Epithelium8

Dogs8

Scent receptors2

Molecules11

Sensory5

Detect1

Highly sensitive olfactory1

Nose7

Nearly 300 million2

Nasal3

ORNs2

Combination of receptors2

Nostrils2

Almost 300 million2

Smells2

Dog's1

Glomeruli2

Signals2

Insect5

Canines1

Olfaction1

Canine1

Antennae1

Nerve5

Acuity1

Whitetail1

Epithelial2

System10

Odorants1

Insects2

Proteins3

Odorant2

10001

Sense7

Odor5

Cilia3

Basal1

Bind1

Cells4

Mosquitoes1

Compounds3

Scientists1

Respiratory1

Researchers1