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Integumentary System
n/a
15
Biology
Undergraduate 1
09/20/2010

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Term
The Skin
Definition
The largest organ in the body
Term
Subcutaneous Layer
Definition
Stores fat, and contains blood vessels that supply the skin.
Term
Epidermal Cells
Definition
Undergo keratinzation as they mature and are pushed toward the surface.(Makeing the hard)
Term
The Stratum Corneum
Definition
The outermost layer, composed of dead epidermal cells.
Term
The Epidermis
Definition
Protects underlying tissues against water loss, mechanical injury, and the effects of harmful chemicals.
Term
Melanin
Definition
Provides skin color.
Term
The Dermis
Definition
Has hair follicles, sebaceous glands, and sweat glands.
Term
Each Hair Develops
Definition
From epidermal cells at the base of a tublike hair follicle.
Term
Arrect or Pili Muscle
Definition
A bundle of smooth muscle cells is attached to each hair follicle.
Term
Sebaceous Glands
Definition
Secrete sebum, which helps keep the skin and hair soft and waterproof.
Term
Sweat
Definition
Primarily water but also has salt and wastes.
Term
Sweat Glands
Definition
Are coiled tubes
Term
Eccrine sweat Glands
Definition
Respond to elevated body temperature
Term
Apocrine Glands
Definition
Respond to emotional stress
Term
Granulations
Definition
Form in large, open wounds as part of the healing process.
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