Integumentary System

INTEGUMENTARY SYSTEM No Date ID Epidermis - Keratinized stratified squamus epithelium 1. Keratinocytes (90% of cells). . 2. Melanocytes (8%) 3. Dendritic cells 4. Tactile epithelial cells - . Thickness ranges From I mm - 2mm - . Layers of epidermis (strata, from deep superficial ) 1. Stratum basale 2. Stratum spinosum 3. stratum granulosum 4. Stratum lucidum 5. Stratum corneum . 10. Dermis - . Connective tissue with other embedded structures - . Regions of Dermis \ . Papilary Region 2 . Reticular Region , JOYKO 36 Lines.6mm

No 1> Hypodermis Date - . Attaches dermis to underlying structures 1. . Areolar and adipose - . Also known as subcutaneous layer of superficial Fascia - . Contains blood vessels and nerves . ID Fuctions of Integumentary System - . Temperature regulation - . Protection - . Sensation 1 Excretion - . Acts as a blood reservoir - . Vitamin D synthesis I Derivatives of The Epidermis - Hair - Sebaceous (oil) glands - Sudoriferous (sweat) glands - Mails JOYKO 36 Lines, 6 mm