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Glossary of CH 4 The Integumentary system (CN)

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Name the 2 layers of skin
Epidermis and Dermis
Name the skin functions
Protection
Sensation
Thermoregulation
Metabolism of Vit D
Storage of blood
Excretion
The Epidermis composed of what classification of epithelium?
Stratified squamous epithelium
Name the for cell types present
1. Keratinocytes
2. Melanocytes
3. Langerhans
4. Merkel
Keratinocytes produce _________ which __________ and ___________ the skine
Keratin
hardens
waterproofs
Melanocytes produce _________ a ________ that protects cells from ___________ radiatiion
Melanin
pigment
ultraviolet
Merkels cells form Merkel _________ associated with ___________endings and serve __________ functions.
Disc
Nerve
Sensory
Name the 5 layers of the epidermis (Most superficial to deepest)
Stratum corneum
Stratum lucidum
Stratum granulosum
Stratum spinosum
Stratum basale
Defin Hypodermis
SQ layer,superficial fascia,lies between the dermis and underlying tissues and organs.
Name the Accessory organs of the skin
Hairs
Nails
Sudoriferous (sweat) gland
Sebaceuous (oil) gland
Name the two layers of the Dermis
papillary layer
reticular layer
Nails are made up of
Keratinized epithelial cells
Name the types of Sudoriferous glands (seat)
Eccrine (sweat)
Apocrine (sweat @ Puberty pits,crotch)
Ceruminous (earwax)
Mammary (milk
Sebaceuos glands secrete
Oil
Skin is very important in the metabolism of what important nutrient?
Vitamin D
The dermis is the storage site of most body fat and plays an important role in thermoregulation. TRUE OR FALSE
FALSE, hypodermis contains fat
Which type of epithelium is present in skin?
Stratified squamous

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