35 - Structure and Function of Eccrine, Apocrine and Sebaceous Glands

Question 1

Sweat glands

Differences between Eccrine and Apocrine ducts

Answer 1

Eccrine- EVERYWHERE. but most abundant on palm, soles. functioning soon after birth.

Apocrine- Armpits and Anogenital, start fuctioning at puberty. ducts empty into hair follicles.

Question 2

What type of fibers innervate eccrine glands, and what is the principal neurotransmitter involved in their activation?

Answer 2

Innervation of eccrine glands consists of postganglionic sympathetic fibers that have acetylcholine as the principal neurotransmitter

Question 3

What are the primary locations and developmental dependency of apocrine sweat glands in humans, and what remains unclear about their function?

Answer 3

Apocrine sweat glands are androgen-dependent for their development and have an unclear function in humans;

primary locations are the axillae, anogenital region, periumbilical region and nipples