Pheromones

Question 1

Introduction

Answer 1

A substance secreted by an animal to the outside of that individual which is then received by another individual (of the same species) which then elicits some behavioral responses

Question 2

Types

Answer 2

• Releasers: promotes rapid behavioral effects (sexual or aggression)
• Primers: promotes longer term physiological changes (menstrual cycle)

Question 3

Androstenedione

Answer 3

• A putative pheromone secreted from glands in armpits, genital regions and navels in the form of clear liquids that contain the pheromone
• Scent reaches noses of women (detected in the vomeronasal organ)
• The olfactory system bypasses the rational brain
• If the information communicated by our pheromone scent is positive (that the guy is healthy, fit and fertile) then a sexual response may be observed