6. Chapter 6: Integument and related structures

The Integument and Related Structures

Describe the general functions of skin

Describe the process of keratinization

List and describe the structures and functions of the dermis and hypodermis

List and describe the related structures of the Integument. Including: Hair, Glands, Claws, Hooves, Antlers, and Horns.

Melanocyte vs Melanin

Melanocyte’s are the cells and the Melanin is the colouration

5 related structures of the integument

• Hair

• Glands of the skin

• Claws and Dewclwas

• The hoof

• Horns

What is piloerection

innervated by sympathetic nervours system

3 hairgrowth cycle phases:

A anagen

C catagen

T telogen

4 Glands of the skin

• Sebacuous glands

• Sweat Glands

• tail gland

• anal glands

what are the two types of sweat glands>

• Endocrine

• Apocrine

stud tail = located at

anal glands = located at 5 and 7 o’clock

accessory digits - evolutionary remnants of digits

dogs -

cattle, pigs, sheep-

• Hoof:

1. - first digit

2. - second and fith

Hoof: is a keratinized covering of a digit

Corium: & Hoof attachment

sensitive Dermis beneath a hoof or a claw.

coffin bone in the horse