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Ch 16 Vocab
Medical Terminology Class, Chapter 16 Vocabulary, Glands etc.
Vocabulary | Definitions |
---|---|
Albino | Person with skin deficient in pigment (melanin) |
Apocrine sweat glands | One of the large dermal exocrine glands located in the axilla and genital areas. It secretes sweat that, in action with bacteria, is responsible for human body odor. |
Basal layer | Deepest region of the epidermis; it gives rise to all the epidermal cells. |
Collagen | Structural protein found in the skin and connective tissue. |
Cuticle | Band of epidermis at the base and sides of the nail plate. |
Dermis | Middle layer of the skin. |
Eccrine sweat gland | Most numerous sweat-producing exocrine gland in the skin. |
Epidermis | Outermost layer of the skin. |
Epithelium | Layer of skin cells forming the outer and inner surfaces of the body. |
Hair follicle | Sac within which each hair grows. |
Integumentary System | The skin and its accessory structures such as hair and nails. |
Keratin | Hard protein material found in the epidermis, hair and nails. |
Lipocyte | A fat cell. |
Lunula | The half-moon-shaped, whitish area at the base of a nail. |
Melanin | Major skin pigment. It is formed by melanocytes in the epidermis. |
Paronychium | Soft tissue surrounding the nail border. |
Pore | Tiny opening on the surface of the skin. |
Sebaceous gland | Oil-secreting gland in the dermis that is associated with hair follicles. |
Sebum | Oily substance secreted by sebaceous glands. |
Squamous epithelium | Flat scale-like cells composing the epidermis. |
Stratified | Arranged in layers. |
Stratum | A layer (of cells). |
Stratum corneum | Outermost layer of the epidermis, which consists of flattened, keratinized (horny) cells. |
Subcutaneous layer | Innermost layer of the skin, containing fat tissue. |