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INTEGUMENTARY SYSTE< (FUNCTION OF SKIN (PROTECTION (Physical,…
INTEGUMENTARY SYSTE<
CONSISTS OF - Skin, Hair, Nails, Sweat & Oil Glands
CONTAINS - Blood Vessels, Nerves, Sensory Receptors & Millions of Cells
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DERMIS
Two Layers
Papillary Layer
Heavily supplied with blood vessels. Dermal Papillae (superior surface) (finger prints) Nocreceptors (free nerve endings/pain receptors) Meissner's Corpuscles (touch receptors)
Reticular Layer
80% Thickness - Contains nerve fibres, blood, lymphatic vessles, sweat glands, sebaceous glands, hair follicles - Contains collagen and elastin fibres (strong & flexible)
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