Answer
Hair papilla-primarily responsible for stimulating hair growth by delivering a constant supply of blood and nourishment to the hair root.
Hair Receptors- entwined each follicle and respond to hair movement.
Piloerector- in response to cold, fear, touch or other stimuli the sympathetic nervous tissue stimulates the pilorector to contract making hair stand on end and wrinkling the skin in such areas as the scrotum and areola.
Work Step by Step
Structure of the Hair and Follicle Pg 185; Figure 6.7
