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Most mammals possess a vomeronasal organ that is involved in pheromone detection, including sex pheromones. [21] Despite the fact that humans do not possess this organ, adult humans appear to be sensitive to certain mammalian pheromones that putative pheromone receptor proteins in the olfactory epithelium are capable of detecting.
A pheromone (from Ancient Greek φέρω (phérō) 'to bear' and hormone) is a secreted or excreted chemical factor that triggers a social response in members of the same species. Pheromones are chemicals capable of acting like hormones outside the body of the secreting individual, to affect the behavior of the receiving individuals. [1]
The Whitten effect is stimulation, by male pheromones, of synchronous estrus in a female population. [1] Social signals, or social stimuli, have an effect on reproduction in all mammals. For certain female mice, the pheromones contained in the urine of male mice can be such stimuli, inducing synchronous estrus. [2]
Most mammals possess a vomeronasal organ that is involved in pheromone detection, including sex pheromones. [19] Despite the fact that humans do not possess this organ, adult humans appear to be sensitive to certain mammalian pheromones that putative pheromone receptor proteins in the olfactory epithelium are capable of detecting.
The olfactory membrane plays a role in smelling and subconsciously assessing another human's pheromones. [8] It also affects the sexual attraction of insects and mammals. The major histocompatibility complex genes are important for the immune system, and appear to play a role in sexual attraction via body odour. Studies have shown that body ...
The reproductive system of an organism, also known as the genital system, is the biological system made up of all the anatomical organs involved in sexual reproduction.Many non-living substances such as fluids, hormones, and pheromones are also important accessories to the reproductive system. [1]
Reproduction of subordinate marmosets is suppressed by the withholding of infant care. [1] Reproductive suppression is the prevention or inhibition of reproduction in otherwise healthy adult individuals. It occurs in birds, mammals, and social insects. It is sometimes accompanied by cooperative breeding.
Sex pheromones are pheromones released by an organism to attract an individual of the same species, encourage them to mate with them, or perform some other function closely related with sexual reproduction. Sex pheromones specifically focus on indicating females for breeding, attracting the opposite sex, and conveying information on species ...