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An Introduction to the Integumentary System (Intro to Chapter 5 (Five…
An Introduction to the Integumentary System
Intro to Chapter 5
Five major functions
Temperature Maintenance
Synthesis and Storage of Nutrients
Sensory Reception
Excretion and Secretion
Protection
Cutaneous membrane
Dermis
Hypodermis / Subcutaneous
Epidermis
Accessory Structures
Exocrine Glands
Hair
Nails
5-1 Epidermis
Intermediate Strata
Stratum granulosum-
keratin-
stratum spinosum- where it may continue to divide and add to the thickness of the epithelium
Statum Corneum
consists of 15-30 layers flattened and dead epithelial cells that have accumulated large amounts of keratin
Stratum Germinativum
5-2 Skin Color