Hormone vs Pheromone - What's the difference?
hormone | pheromone |
(physiology) Any substance produced by one tissue and conveyed by the bloodstream to another to effect physiological activity.
(pharmacology) A synthetic compound with the same activity.
Any similar substance in plants.
(biology) A chemical secreted by an animal, especially an insect that affects the development or behavior of other members of the same species, functioning often as a means of attracting a member of the opposite sex.