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        | Epidermal glands hat produce an oily secretion called sebum |  | 
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        | Cavity inside a tube, blood vessel, or hollow organ |  | 
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        | Oily secretion of sebaceous glands |  | 
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 | Definition 
 
        | A cutaneous gland that secretes sebum for lubricating hair and skin |  | 
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 | Definition 
 
        | Less numerous type of sweat gland; produces secretions containing water, salt, protein, and fatty acids |  | 
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 | Definition 
 
        | Cells usually found in glandular epithelium generally beneath the lumenal cells |  | 
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        | Term 
 
        | Merocrine (Eccrine) sweat glands |  | Definition 
 
        | Produce secretions intermittenly |  | 
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        | Term 
 
        | Sweat (sensible perspiration) |  | Definition 
 
        | Hypotonic filtrate of the clood that passes through secratory cells and released by exocytosis |  | 
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 | Definition 
 
        | Milk-producing glands of the breast |  | 
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 | Definition 
 
        | Modfied apocrine glands found in the lining of the external ear canal |  | 
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 | Definition 
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 | 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 |  | 
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 | Definition 
 
        | Deeper layers of the epidermis that extends beneath the skin |  | 
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 | Definition 
 
        | Proximal nail fold projects onto the nail body (same as cuticle) |  | 
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 | Definition 
 
        | Region that lies over the thickened nail matrix appearing as the white cresent |  | 
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        | Term 
 | Definition 
 
        | Area between the nail plate and fingertip |  | 
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