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The Intgumentary System
Appendages and functions of the human skin
17
Anatomy
12th Grade
08/26/2008

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Term
Sebaceous glands
Definition
Epidermal glands hat produce an oily secretion called sebum
Term
Lumen
Definition
Cavity inside a tube, blood vessel, or hollow organ
Term
Sebum
Definition
Oily secretion of sebaceous glands
Term
Sebaceous follicles
Definition
A cutaneous gland that secretes sebum for lubricating hair and skin
Term
Apocrine sweat glands
Definition
Less numerous type of sweat gland; produces secretions containing water, salt, protein, and fatty acids
Term
Myoepithelial cells
Definition
Cells usually found in glandular epithelium generally beneath the lumenal cells
Term
Merocrine (Eccrine) sweat glands
Definition
Produce secretions intermittenly
Term
Sweat (sensible perspiration)
Definition
Hypotonic filtrate of the clood that passes through secratory cells and released by exocytosis
Term
Mammary glands
Definition
Milk-producing glands of the breast
Term
Ceruminous glands
Definition
Modfied apocrine glands found in the lining of the external ear canal
Term
Cerumen
Definition
Earwax
Term
Nails
Definition
Scale-like modification of the epidermis that forms a clear protective covering on the dorsal surface of the distal part of the finger or toe
Term
Nail bed
Definition
Deeper layers of the epidermis that extends beneath the skin
Term
Nail root
Definition
Embedded in the skin
Term
Eponychium
Definition
Proximal nail fold projects onto the nail body (same as cuticle)
Term
Lunula
Definition
Region that lies over the thickened nail matrix appearing as the white cresent
Term
Hyponychium
Definition
Area between the nail plate and fingertip
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