| Essentials of Anatomy & Physiology, 4/e Rod R. Seeley,
Idaho State University Philip Tate,
Phoenix College Trent D. Stephens,
Idaho State University
The Integumentary System
Study OutlineFunctions of the Integumentary System
Protection
Sensation
Vitamin D production
Temperature regulation
Excretion
Hypodermis (subcutaneous tissue)(Fig. 5.1, p. 97)Loose connective tissue
Fat
Skin(Fig 5.1, p. 97)Dermis(Fig. 5.3, p. 98)Cleavage lines(Fig. 5.2, p. 98)Striae
Dermal papillae(Fig. 5.3, p. 98) Epidermis(Fig. 5.3, p. 98)Stratum basale
Changing cell layers
Stratum corneum
Skin color
Melanocytes and melanin(Fig. 5.4, p. 99)Carotene
Blood flow
Accessory Skin Structures
Hair
Anatomy(Fig. 5.5, p. 100)Growth
Arrector pili muscles
Glands(Fig. 5.6, p. 101)Sebaceous glands
Merocrine sweat glands
Apocrine sweat glands
Nails(Fig. 5.7, p. 102) Anatomy
Growth
Physiology of the Integumentary System
ProtectionClinical Focus: Diseases of the Skinp. 106
Sensation
Vitamin D production
Temperature regulation(Fig. 5.8, p. 103)Excretion
Effects of Aging on the Integumentary System
The Integumentary System as a Diagnostic Aid
Burns (Fig. 5.9, p. 104)First-degree burns
Second-degree burns
Third-degree (full thickness) burns
Skin Cancer (Fig. 5.10, p. 105) Systems Pathology - BurnsSystems Interactions Table, p. 108
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