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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]
Pheromones, in general, are secreted chemical substances by organisms that trigger a social reaction in the same species. Sex pheromones are a special type of olfactory signal, produced to attract the opposite sex, to encourage mating or to perform some other function closely related to sexual reproduction.
Human pheromones are contained in sweat, semen, vaginal secretions, breast milk, and urine. [1] The signals carried in these fluids serve a range of functions from reproductive signaling to infant socialization. [16] Each person produces a unique spread of pheromones that can be identified by others. [2]
Pheromones are chemical messengers produced and emitted by the body that contribute significantly to interpersonal attraction. [8] The two types of pheromones include signal and primer, each playing a distinct role in human behavior. Signal pheromones act as attractants and repellents; they are classified short-term behavioral pheromones.
Sex pheromones have a higher complexity than most alarm pheromones, but a lower molar mass than marker pheromones, which permanently indicate an area. [ 58 ] In the case of flying insects - such as butterflies - the pheromone as a molecule must not be too large, otherwise the vapor pressure and volatility are too low.
Trail pheromones are semiochemicals secreted from the body of an individual to affect the behavior of another individual receiving it. Trail pheromones often serve as a multi purpose chemical secretion that leads members of its own species towards a food source, while representing a territorial mark in the form of an allomone to organisms outside of their species. [1]
A pheromone (from Greek phero "to bear" + hormone from Greek – "impetus") is a secreted or excreted chemical factor that triggers a social response in members of the same species. Pheromones are chemicals capable of acting outside the body of the secreting individual to impact the behavior of the receiving individual. [5]
A cat pheromone is a chemical molecule, or compound, that is used by cats and other felids for communication. [1] These pheromones are produced and detected specifically by the body systems of cats and evoke certain behavioural responses. [1] [2] Cat pheromones are commonly released through the action of scent rubbing. [2]