Integumentary System Lab
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26 Terms
Thick skin of the hand
Location- palm anterior surface of fingers
All 5 layers if epidermis are found in the thick skin. Contains sweat glands but no hair follicles.
Thin skin
Covers most of the body
Only 4 layers of the epidermis are found in thin skin the stratum lucidum is not present. Contains sweat glands hair follicles and sebaceous glands.
Thin skin of the hand
Location- posterior surface of hand and fingers
Dermis
Location- skin (between epidermis and hypodermis)
Epidermis
Location- skin superficial to dermis
Hypodermis
Location- deep to skin
Connective tissue sheath
Location- dermis of skin surrounds hair follicle
Supports the hair follicle
Cortex of hair
Location- hair
Cuticle of hair
Location- hair
Most superficial layer of the hair
Hair bulb
Location- inferior part of hair
Where the hair originates from the dermis
Hair follicle
Location- dermis may extend into hypodermis
Function is for hair formation and growth
Hair root
location- hair follicle (deep portion) between hair build and mature hair shaft
Function- hair elongation
Hair Shaft
Location- surface of epidermis
Function- protection (ex from sunburn), heat retention, cutaneous sensation, dispersion of chemical signals, facial recognition/visual identification
Adipose connective tissue
Apocrine sweat gland
Arrector pili m.
Location- dermis of skin
Elevates epidermis around opening of hair follicle creating goose bumps
Arterial blood vessels of the skin
Dermis of the skin
Provide arterial blood to epidermis, dermis and all structures of dermis
Duct of apocrine sweat gland
Duct of merocrine sweat gland
Free nerve endings of skin
Lamellar corpuscles
Merocrine sweat glands
Root hair plexus
Sebaceous gland
Tactile corpuscles
Venous blood vessels
