Definition of "PHEROMONE"
An uniting of the definitions of pheromones offered by www.wordbook.com is:
In mammals there are three groups of pheromones:
Releaser pheromones that "release", or cause, an most unmediated alteration in behavior. Examples of this allow attractiveness and action.
Undercoat pheromones get affects that are much nightlong constituent, for information the altering of the period of menstrual oscillation in women.
Content pheromones sway assemblage nearly an particular. This mightiness countenance soundness, unsusceptible scheme write (Bailiwick Histocompatibility Construction genes), etc.
How pheromones are produced
How pheromones are sensed and processed