Chapter 5 Integumentary System
Read 5.1, 5.2, 5.3, 5.4, 5.5 Learning Outcomes: 5.1A; 5.2 A – E; 5.3 A; 5.4 A – D; 5.5 A - D
5.1 Functions of the Integumentary System
Functions protection sensation
temperature regulation
vitamin D production
excretion 5.2 Skin
Skin (also called the cutaneous membrane) consists of two major layers of tissue
epidermis dermis Epidermis
Cells of the epidermis
oKeratinocyte
oMelanocyte
oLangerhans
oMerkel
consists of 4-5 layers called strata: thin skin has 4 and thick skin (soles and palms) has 5 strata
oStratum basale (germinativum)
oStatum spinosum
oStatum granulosum