Human Anatomy & Physiology. The Integumentary System Chapter 6 By Abdul Fellah, Ph.D . The Integumentary System. Functions of the skin and subcutaneous tissue epidermis and dermis hypodermis thick and thin skin skin color skin markings Hair and nails Cutaneous glands
The Integumentary System
Abdul Fellah, Ph.D.
extensions of the dermis
into the epidermis
fingerprints epidermal ridges
Eumelanin pigment colors brown and black hair.
Blond hair contain pheomelanin pigment, but little eumelanin.
Red hair contains little eumelanin but lots of pheomelanin.
White hair = air in medulla and lack of pigment in cortex. Gray hair is a mixture of white and pigmented hairs.
Partial thickness burns
a) First degree
b) Second degree
c) Third degree