• Antennae (1 and 2 on the image): this is a pair of sensory elements on the head part of the fly. (cherrybiotech.com)
  • Antenna (antennae): Sensory organ. (oregonstate.edu)
  • Moths with transplanted antennae responded instead to a similar yet novel pheromone blend not naturally produced by either species, according to University of Utah research published online Jan. 27 in PLOS ONE . (utah.edu)
  • The method had been used in previous studies to transplant female antenna of the Manduca sexta moth onto male moths and, in Vickers' lab, to study antennae transplanted from another moth species onto H. virescens . (utah.edu)
  • And even though the transplanted antennae were sensitive to different odorants than normal antennae, activation of three glomeruli was enough to make the moths think a female was nearby. (utah.edu)
  • They have 1 pair of antennae, two sets of wings, and two large compound eyes. (go-forth.com)
  • Antennae - (singular antenna) are sensory appendages attached to the head of some adult insects. (butterflyspeciesgalleries.com)
  • Larvae (caterpillars) have tiny sensory antennae. (butterflyspeciesgalleries.com)
  • On its head, a bee has two sensory antennae. (roadtoreliance.com)
  • Today, science is putting the power of pheromones to work for women who are looking for new and lasting relationships, and by helping mature couples reignite the passion that once dominated the early stages of their relationships. (dramend.com)
  • Pure Instinct's signature scent is a captivating fragrance that taps into the power of pheromones to evoke raw intuition and allure. (perfumeson.com)
  • Two types of olfactory sensory neurons are present. (biomedcentral.com)
  • In addition, solitary chemosensory cells innervated by trigeminal nerve fibres, are intermingled with olfactory sensory neurons. (biomedcentral.com)
  • Humans lack this bulge marking the position of the VNO, and although there are nerve bundles running from the human VNO to the brain, it is still unclear whether they contain actual sensory neurons or just autonomic nerves. (serendipstudio.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)
  • These receptors are present on dendrites of olfactory sensory neurons found in the main olfactory or vomeronasal sensory epithelia, and are involved in the odorant, trace amineassociated receptor and vomeronasal type 1 receptor superfamilies. (nutrition-nutritionists.com)
  • The newly described formyl peptide receptor-related genes and vomeronasal sensory neurons, are found in multiple mammalian species. (nutrition-nutritionists.com)
  • 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)
  • Much of the existing research on these signals has focused on insect pheromones relevant to certain agricultural applications. (liveminty.com)
  • By mimicking naturally occurring chemical signals, pheromones can subtly influence the behavior and perception of others. (perfumeson.com)
  • Pheromones are chemical signals that are naturally produced by the body and play a role in attracting others. (perfumeson.com)
  • Pheromones, those mysterious chemical signals that animals emit to communicate with others, have long fascinated scientists and the general public alike. (perfumeson.com)
  • Until recently it was believed that the olfactory system of most mammals was of 2 types: a main olfactory system that detects environmental odours, for instance those emitted by food or predators, and an accessory (vomeronasal) olfactory system that detects pheromones - intraspecies chemical signals that elicit a stereotyped behavioural or hormonal change. (nutrition-nutritionists.com)
  • Emanates from conspecific immature stages associated with breeding sites can act as reliable signals for females to assess the quality of an oviposition site, in terms of overcrowding and competition from con- and heterospecific aquatic stages [ 11 ]. (biomedcentral.com)
  • According to our current knowledge, pheromones give us signals (or at least cues) about genetic compatibility. (suay.eu)
  • Since alligators seem to detect both volatile and water-soluble odour cues, I tested whether different sensory cell types are present in the olfactory epithelium. (biomedcentral.com)
  • Both lizards and snakes collect chemical cues from their surroundings by flicking out their slender forked tongues, then process those cues using a well-developed sensory organ in the roof of their mouths. (liveminty.com)
  • Adult butterflies communicate mostly through chemical cues-the males produce chemicals called pheromones to seduce the females. (vivianlawry.com)
  • Chemical cues and pheromones guide decisions in organisms throughout the animal kingdom. (biomedcentral.com)
  • Here, we provide a broad review of the chemical cues and pheromones used by the sea lamprey during reproduction, including overviews of the sea lamprey olfactory system, chemical cues and pheromones, and potential applications to population management. (biomedcentral.com)
  • Sea lamprey use chemical cues and pheromones to identify productive spawning habitat, coordinate spawning behaviors, and avoid risk. (biomedcentral.com)
  • Detection of chemicals can be integrated into the decision making processes of organisms via adaptations in receivers (chemical cues) or both receivers and signalers (pheromones) [ 1 ]. (biomedcentral.com)
  • Schematic illustrating the hypothesized functions of migratory cues, alarm cues, and mating pheromones during reproduction in sea lamprey. (biomedcentral.com)
  • Reproduction by insects often involves a male locating a receptive female through chemicals (pheromones) released by the female. (eol.org)
  • Pheromones are natural chemicals that are released by the body to attract and communicate with others. (perfumeson.com)
  • We found that the relative abundances of only six chemicals were different between the sexes, although males tended to have larger amounts of particular compounds. (researchgate.net)
  • We assume this has to do with pheromones or rather chemicals in the markers. (wildaboutants.com)
  • When a male detects the pheromone, he generates oscillatory movement that creates vibrations on the leaves (an average frequency of 76 Hz). (wikipedia.org)
  • In animals, this accessory olfactory bulb detects conspecific individuals' pheromones and is largely responsible for sexual behavior. (suay.eu)
  • The females are relatively larger than the males, measuring up to 3.5 cm in body length, with a 10 cm legspan. (wikipedia.org)
  • The males are much lighter in colour than the females. (wikipedia.org)
  • Females are usually solitary and to attract males, release the pheromones on trees along a silk thread. (wikipedia.org)
  • For example, males of one species, Heliothis subflexa , may interpret the combination of odorants A, B and C as a signal that a female is nearby. (utah.edu)
  • However, males of various blood-sucking mosquito species are known to also respond to odors emanating from hosts of the females [ 2 ], which may allow them to find their mating partners at the host location. (ijbs.com)
  • The main part of their body, called their abdomen, has 8 segments in males and 9 segments in females. (umich.edu)
  • Females are a little bit bigger than males. (umich.edu)
  • Males can reproduce when they are 16 hours old, and females can reproduce when they are 24 hours old. (umich.edu)
  • Females can reject the males at any point, especially if they have already mated with another male. (umich.edu)
  • MGs are paired sac-like organs on the gular region of the neck and are dimorphic in this species with males having fully functional holocrine glands while those of females appear non-secretory and vestigial. (researchgate.net)
  • However, the relative amounts of some compounds tended to be higher in males, with significantly larger amounts of two carboxylic acids and one steroid, suggesting their putative involvement in chemical communication. (researchgate.net)
  • Additionally, female rattlesnakes are typically larger than males. (veteransoasispark.com)
  • Moth species develop their own highly specialized sensitivities to odorants and pheromone blends. (utah.edu)
  • Each species develops receptors to pick up only the odorants that they're interested in, preventing the costly mistakes of misidentifying females. (utah.edu)
  • They make use of seven transmembrane G-protein-coupled receptors to identify odorants and pheromones. (nutrition-nutritionists.com)
  • It seems, though, that even without a VNO, we humans manage to respond to our conspecifics' pheromones through our main olfactory bulb which connects our nose to the core of our brain. (suay.eu)
  • In another experiment, female mice who were released into cages containing two male mice, only one of which was exposed to BPA, spent roughly half as much time in 'nose-to-nose contact'-- an expression of sexual interest in the rodent world -- with the BPA-exposed mice, perhaps because the females sensed differences in their behavior, pheromones, or both. (cnn.com)
  • We discuss a possible mechanism for the observed unusual interruption of sexual behavior of the gynandromorph by reference to the fru expression pattern and our recent findings on the sexually dimorphic response to female-derived pheromones. (springer.com)
  • Present in many animals and often responsible for aspects of mating behavior, the idea of pheromones in humans has in recent years been a subject of interest. (serendipstudio.org)
  • The idea of pheromone perception as a 'sixth sense' is intriguing, as it means our behavior is influenced by input from outside stimuli that we cannot consciously perceive. (serendipstudio.org)
  • The queen bee's main purpose in life is to reproduce and control the behavior of her subjects by emitting pheromones. (go-forth.com)
  • Pheromones have long been a topic of fascination, with their potential to influence human behavior and attraction. (perfumeson.com)
  • The impact of pheromones on human behavior has been demonstrated in many ingenious experiments. (suay.eu)
  • Dr. Virgil Amend, the leading pheromone expert reveals the discoveries of scent based attraction and bonding, and the ultimate allure woman have over men. (dramend.com)
  • The science behind the secret scent that has been helping women attract and form passionate emotional bonds with men, even after decades of marriage. (dramend.com)
  • Dr. Amend's formulation is made with a specific group of pheromones that are designed to mimic the scent of an ovulating woman. (dramend.com)
  • The key pheromones that make up this scent are copulins and Estratetraenol. (dramend.com)
  • When it comes to pheromone perfume, the scent is essential. (perfumeson.com)
  • As I applied Pure Instincts Pheromone perfume for the first time, the first thing that struck me was the light and refreshing scent. (perfumeson.com)
  • However, when it comes to their scent, it seems that pheromones may be far from straightforward. (perfumeson.com)
  • A pheromone is a chemical scent that animals use to communicate with other members of their species. (wildaboutants.com)
  • Electron microscopy and immunocytochemistry were used to examine the sensory epithelium of the nasal cavity of the American alligator. (biomedcentral.com)
  • Almost the entire nasal cavity is lined with olfactory (sensory) epithelium. (biomedcentral.com)
  • The nasal cavity of the American alligator contains two different chemosensory systems incorporated in the same sensory epithelium: the olfactory system proper and solitary chemosensory cells. (biomedcentral.com)
  • Females have invaginated structures similar in general outline to male glands, but lack a glandular epithelium. (researchgate.net)
  • Cara and I have talked a lot about spaces that create an experience- she points in her post to how easy it is for humans to acclimate, accepted, glamorize, and even embody superheroes whose abilities are animal(insect) based- Spiderman, antman, wasp woman etc. (sciartinitiative.org)
  • A hint: what happens if you draw a pen circle around an insect or spider that doesn't have a pheromone trail? (wildaboutants.com)
  • Adult female underside, from Honduras Adult male, resting on leaf, from Honduras Second instar of C. salei (scale bar = 500 μm) Cupiennius saleiare found naturally across the northern parts of Central America and Mexico, while other species in the genus are also found in various parts of Central America and South America. (wikipedia.org)
  • even species that lay huge numbers of eggs (in honeybees, for example, the number may be over one million), females mate only once and rely on sperm stored during that mating for the rest of their lives. (eol.org)
  • Moths sniff out others of their own species using specific pheromone blends. (utah.edu)
  • So if you transplant an antenna - the nose, essentially - from one species to another, which blend of pheromones does the moth respond to? (utah.edu)
  • The most attractive blend was neither the recipient species' A, B and C nor the donor species' A and E. Nearly 75 percent of the transplanted moths that responded to pheromones were attracted to either a blend of A, E and C or A, E, and D. The transplanted moths were "reading" the presence of a female from a pheromone blend not seen in nature. (utah.edu)
  • From the Greek for 'excitement carrier', pheromones carry chemical messages between members of the same species (2) . (serendipstudio.org)
  • Pheromones evolved over time as a way to propagate the species, by helping create unbridled lust and passion. (dramend.com)
  • trail-following pheromones (TFPs) and sex-pairing pheromones (SPPs), for example, have been identified in many termite species. (researchgate.net)
  • The pheromones attract females of that species. (butterflyspeciesgalleries.com)
  • When the baby rattlesnakes are ready to be born, the female snake will give birth to a brood of live young, typically ranging from 2 to 25 individuals, depending on the species. (veteransoasispark.com)
  • Shown at left are three "flagellomeres" - segments of an insect's antenna covered with sensory hairs. (sciartinitiative.org)
  • Tiny sensory hairs called tactile setae cover a butterfly's body. (vivianlawry.com)
  • This heightened awareness results from the fact that a scorpion's body is coated in a wide variety of various types of extremely fine sensory hairs, which alert the creature to both prey and potential threats. (metalkitor.com)
  • Volatile organic compounds (VOCs) associated with potential breeding sites affect the behaviour of gravid mosquitoes, with VOCs from aquatic stages of conspecific mosquitoes influencing and regulating oviposition. (biomedcentral.com)
  • Using a multi-choice olfactory oviposition assay, controlling for other sensory modalities, the responses of individual females to water conditioned with different densities of conspecific aquatic stages were assessed. (biomedcentral.com)
  • Sensory input from conspecific odors guides decisions for organisms throughout the animal kingdom [ 1 ]. (biomedcentral.com)
  • Perfect for women seeking an alluring fragrance that exudes confidence and allure, Desire is the go-to option. (perfumeson.com)
  • In addition to ocelli and compound eyes, some insects are quite sensitive to sounds, and their chemoreceptive abilities are astounding. (eol.org)
  • Eyes: Compound or simple (ocellus, ocelli). (oregonstate.edu)
  • It also has five eyes - three simple eyes, or ocelli, and two compound eyes. (roadtoreliance.com)
  • Compounds from each of these classes of volatiles attract ticks on their own,and mixtures of these volatiles based on rumen composition also attract. (biologists.com)
  • This formulation to attract men contains a specific group of pheromones that exploits a powerful biological trigger hardwired into every man. (dramend.com)
  • Dr. Amend's formula for women to attract men gives off this very same exact pheromonal signature, and is a lotion worn topically on the exposed areas of skin like the back of the neck, chest, wrists or forearms. (dramend.com)
  • Each olfactory division contains several types of sensory cell identified by the receptors and other proteins they express, the connections they make in the olfactory part of the brain, and the chemical stimuli to which they respond. (nutrition-nutritionists.com)
  • Pectines are equipped with chemical and pheromone receptors, both of which contribute to the highly tuned creature's heightened state of awareness. (metalkitor.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)
  • AgOBP1-expressing support cells were present in segments 3 to 13 of the female antenna, with increasing numbers towards the distal end. (ijbs.com)
  • The secretions are a waxy cocktail of lipid compounds that contains detailed information about the individual lizard that produced them. (liveminty.com)
  • In the experimental islands, we found that the 'signal richness' of the lizard secretions is the highest - meaning that the number of different compounds that we could detect in the secretion is the highest," Baeckens added. (liveminty.com)
  • These two pheromones are naturally found in the vaginal secretions of ovulating women and have shown in laboratory tests to spike a mans circulating testosterone and other libido hormones within 2 seconds of exposure. (dramend.com)
  • Using gas chromatography coupled to mass spectrometry, we identified a total of 61 compounds in mental gland secretions, the most numerous being carboxylic acids, carbohydrates, alkanes, steroids and alcohols. (researchgate.net)
  • Although the lipid fraction of mental gland secretions is rich in chemical compounds, most occur in both sexes suggesting that they are metabolic byproducts with no role in chemical signaling. (researchgate.net)
  • Chemoreception in semi-aquatic animals is interesting per se since both volatile and water-soluble compounds have to be detected in two different environments. (biomedcentral.com)
  • The raised rims "protect" dogs by calming their sensory behaviors and providing comfort when they need it. (petsmont.com)
  • When incorporated into perfumes, pheromones can add an extra layer of allure and make you feel more attractive and desirable. (perfumeson.com)
  • The Major Histocompatibility Complex (MHC), an array of genes involved in the immune response and unique for every individual, is the major source of human pheromones and might be responsible for the failure of the advertising industry to make (legitimate) profits out of selling pheromone perfumes. (suay.eu)
  • And therefore - I'm very sorry - women appeared to be extremely keen on the odors of men that have an enthusiastic MHC not the same as their own. (rutgers.edu)
  • Male moths find females through pheromones, and females locate the ideal place to lay their eggs by following plant odors. (utah.edu)
  • 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)
  • Although men generally have much less sensitivity to odors than women, it seems they are not completely without it. (suay.eu)
  • These unique compounds can help boost confidence, increase charisma, and amplify your natural allure. (perfumeson.com)
  • Desire pheromone perfume is a truly captivating fragrance that's designed to enhance and unleash a womans innate sensuality and allure. (perfumeson.com)
  • Mating pheromones. (oregonstate.edu)
  • Just as the evidence of a functional VNO in other animals is clearer than that in humans, the direct connection between pheromones and mating is clearer in simpler creatures. (serendipstudio.org)
  • Pheromones have been a tool of biology for millions of years and play a key role in the natural mating instincts for both men and women. (dramend.com)
  • However, our natural pheromones go largely unnoticed due to frequent bathing, antiperspirants, layers of clothing and a multitude of body sprays and other fragrances. (dramend.com)
  • Desire Perfume is a captivating fragrance that utilizes a unique blend of natural and premium quality essential oils infused with pheromones. (perfumeson.com)
  • Pheromones in perfume have gained popularity for their ability to enhance attraction and create a captivating aura. (perfumeson.com)
  • Overall, using pheromones in perfume can be a fascinating and enticing way to explore the world of fragrance. (perfumeson.com)
  • Desire pheromone perfume is an extraordinary fragrance that combines a harmonious blend of enticing scents. (perfumeson.com)
  • What Does Desire Pheromone Perfume Smell Like? (perfumeson.com)
  • Pure Instinct's Pheromone perfume aims to captivate the senses with a delightful combination of fruity top notes, warm heart notes, and a lingering musk base. (perfumeson.com)
  • Whether worn on it's own or blended with existing favorites, this pheromone perfume is designed to create a captivating and irresistible aura. (perfumeson.com)
  • What Is Pheromone Perfume Supposed to Smell Like? (perfumeson.com)
  • The perfume they wear or the subtle (or not so subtle) personal aroma which -with not so laudatory intention- we might refer to as body odor (BO) is a sensory characteristic of every one of us. (suay.eu)
  • Beyond the flavor of the perfume in AP/deo, I wonder what the aluminum compounds would do to one's taste bud pores? (firstnerve.com)
  • They are similar to the four known olfactory receptor gene classes, these genes encode seven-transmembrane proteins, and are characterized by monogenic transcription and a punctate expression pattern in the sensory neuroepithelium. (nutrition-nutritionists.com)
  • The male's pheromone sensory cells are located in tip pore sensilla and respond to touching with either female silk or the synthetic compound of the pheromone. (wikipedia.org)
  • This combination creates a potent blend that enhances your natural pheromone signature, making it more appealing and irresistible to others. (perfumeson.com)
  • The female responds to this by creating a counter vibration, and in this way guides the receptive male to her exact location. (wikipedia.org)
  • Evidence points to the output by and influence on humans of natural pheromones, and these pheromones are under attempt at imitation by commercial products. (serendipstudio.org)
  • The differences between the VNO of other animals that are known to produce and perceive pheromones and the VNO of humans leave open the question of whether the human VNO is today a functional organ or merely a vestigial one, a now useless relic of our ancestors. (serendipstudio.org)
  • Although she pointed out that pheromones cannot work as simply and thoroughly on humans as on other animals, McClintock was the one who published the first definitive study showing that humans do produce and respond to pheromones (1) . (serendipstudio.org)
  • These scents are infused with pheromones that are compatible with humans, allowing them to blend seamlessly with your bodys natural chemistry. (perfumeson.com)
  • The interesting point is that none of the women reported having chosen a particular seat because of its pleasant odor. (suay.eu)
  • I thought so too when I first heard about pheromones and their amazing powers of attraction. (dramend.com)
  • The spot where females lay their eggs depends on how many other larvae are there. (umich.edu)
  • Females want their larvae to get a lot of nutrients so they grow into bigger adults. (umich.edu)
  • ( Health.com ) -- Male mice who are exposed in the womb to bisphenol A, or BPA, a chemical compound found in some hard plastics and can linings, appear to be less masculine and less attractive to females once they mature, raising the possibility that the controversial chemical could subtly affect boys in similar ways. (cnn.com)
  • Gynandromorphy, which is characterized by the coexistence of male and female tissues in a single individual, is known in insects. (springer.com)
  • Adult male (top) and female (bottom) H. virescens moths on an ear of corn. (utah.edu)
  • In this study, researchers relocated groups of eight male and 12 female Aegean wall lizards (Podarcis erhardii) from a single source population in Naxos, Greece, to five small islets that lacked predators. (liveminty.com)
  • The male grasps the female and deposits a sperm packet, which fertilizes the female's eggs. (vivianlawry.com)
  • First, the male strikes the female, which means he pushes her wings open and they vibrate. (umich.edu)
  • Sometimes females fly away quickly, or shake violently to get rid of the male. (umich.edu)
  • Found in high concentrations in the saliva of male pigs, it's effects on female pigs in heat are quite remarkable. (perfumeson.com)
  • Finally, adult sea lamprey migrate into streams during the spring, where a male will construct a nest and later be joined by one or more females, spawn intermittently for a number of days, and die [ 8 ]. (biomedcentral.com)
  • One showed that women systematically preferred seats that had been impregnated with masculine fluids known to contain male pheromones. (suay.eu)
  • The major vector for transmission of the malaria parasite Plasmodium falciparum is the afrotropical mosquito Anopheles gambiae , causally linked to the requirement of a blood meal by female mosquitoes to complete their gonadotrophic cycle. (ijbs.com)
  • Compound Eyes - insects (like butterflies and moths) have compound eyes. (butterflyspeciesgalleries.com)
  • Butterflies have huge compound eyes with numerous light-sensitive lenses, both of which have their own refractive systems and which together contribute to the formation of the image. (vivianlawry.com)
  • Experimental evidence also shows differences in the way men and women respond to pheromones, and the possible implications of these differences on gender roles is the aspect of human pheromone research that interests me most. (serendipstudio.org)
  • There is not a single chemical compound bearing the ability to be seductive for all of us (not even for most of us). (suay.eu)
  • Although most exploration of the possibilities of human pheromone perception has happened recently, scientists have known about the human VNO since 1703, when Dutch surgeon Roysch discovered it in the nose (2) . (serendipstudio.org)
  • This diversity of sensory cells in the nose has given rise to the concept of olfactory subsystems, each dedicated to a particular chemosensory role. (nutrition-nutritionists.com)
  • The existence of human pheromones (from phero , Greek for "to bear" and hormone , Greek for "impetus") was denied for a long time, mostly because unlike other animals, our brains lack a vomeronasal organ (VNO). (suay.eu)
  • The prosoma houses the compound eyes, the mouth, and the characteristic pair of claws known as the pedipalps. (metalkitor.com)
  • DAP is a synthetic chemical based on a hormone produced by lactating female dogs. (petsmont.com)
  • Pheromones are natural airborne chemical hormones that our bodies emit to arouse the opposite sex and draw them in. (dramend.com)
  • When she put samples of the underarm sweat of women at different menstrual changes under the noses of female subjects, the length of these subjects' own cycles was significantly altered (1) . (serendipstudio.org)
  • In addition, scorpions have a pair of organs that can most accurately be referred to as sensory combs located down the underside of their bodies. (metalkitor.com)
  • The definition of masculine and the factors females use to choose a mate are much more complex in men than in mice. (cnn.com)
  • right side, female) and a uniformly masculine gaster. (springer.com)
  • U study reveals how the brain depends on the senses to construct an impression of reality and how changing the sensory hardware can cause the moths' brains to be fooled. (utah.edu)
  • The results demonstrate how the brain depends on the organism's sensory inputs to make sense of the world. (utah.edu)
  • These natural and premium quality essential oils, infused with pheromones, work together to enhance your attractiveness and leave a lasting impression. (perfumeson.com)
  • CBD is a compound found in hemp plants that dog owners have found useful for treating a variety of different physical and mental health conditions. (petsmont.com)
  • Pedipalps are found only on female scorpions. (metalkitor.com)
  • In a paper in J ournal of Chromatography A , scientists found all sorts of chemical compounds in pen ink that ants might want to avoid, including methylbenzene and xylene. (wildaboutants.com)