Integumentary System Vocabulary Albinism: inherited inability to produce melanin. Arrector pili muscle

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Integumentary System Vocabulary

Albinism: inherited inability to produce melanin.

Arrector pili muscle: Smooth muscle in the skin associated with a hair follicle.

Alopecia areata (AA) is a condition affecting humans, in which hair is lost from some or all areas of the body, usually from the scalp.[1][2] Because it causes bald spots on the scalp, especially in the first stages, it is sometimes called spot baldness.

Apocrine gland: A type of sweat gland that responds during periods of emotional stress.

Basal cell carcinoma is the most common type of skin cancer. It rarely metastasizes or kills, but it is still considered malignant because it can cause significant destruction and disfigurement[1][2] by invading surrounding tissues

Ceruminous Glands: produce wax

dermis (dermis) The thick layer of the skin beneath the epidermis.

epidermis (epı˘-dermis ) Outer epithelial layer of the skin.

eccrine gland (ekrin gland ) Sweat gland that maintains body temperature.

free nerve ending (FNE) is an unspecialized, afferent nerve ending, meaning it brings information from the body's periphery toward the brain.

hair follicle (ha¯r folı˘-kil) Tubelike depression in the skin in which a hair develops.

hypodermis (hipo-dermis) Mainly composed of fat, this loose layer is directly beneath the dermis; subcutaneous.

Hirsutism is the excessive hairiness[1] on humans in those parts of the body where terminal hair does not normally occur or is minimal

keratin (kerah-tin) Protein present in the epidermis, hair, and nails.

Kaposi's sarcoma (KS) is a tumor caused by Human herpesvirus 8 (HHV8), also known as).

Lunula, or lunulae (pl.) (little moon in Latin), is the crescent-shaped whitish area of the bed of a fingernail or toenail.

Langerhans cells: Participates in immune responses

Merkel cells : Contact a sensory structure called a tactile (Merkel) disc and function in touch

Sudoriferous sweat gland (swet gland) Group of cells that secrete a mixture of water, salt, urea, and other bodily wastes

Sebaceous gland (se˘-bashus gland ) Gland of the skin that secretes sebum.

sebum (sebum ) SP. Sebum. Oily secretion of the sebaceous glands.

subcutaneous (subku-tane-us ) SP. subcutaneous. Beneath the skin.

melanin (melah-nin) SP. melanin. Dark pigment found in skin and hair.

melanocyte (melah-no-sı¯t ) SP. melanocyte. Melanin-producing cell.

melatonin (melah-tonin) SP. melatonin. A hormone secreted by the pineal gland.

Melanoma (pronounced /ˌmɛləˈnoʊmə/ ( listen)) is a malignant tumor of melanocytes. Such cells are found predominantly in skin, but are also found in the bowel and the eye (see uveal melanoma). Melanoma is one of the less common types of skin cancer, but causes the majority (75%) of skin cancer related deaths.

Squamous cell carcinoma (SCC) is a form of cancer of the carcinoma type that may occur in many different organs, including the skin, lips, mouth, esophagus, urinary bladder, prostate, lungs, vagina, and cervix. It is a malignant tumor of squamous epithelium

Tactile Cells: These are present in skin scales. The sense organ is very minute, knob-like epidermal outgrowth consists of 2-3 centrally situated, spindle-shaped tactile receptor cells, connected with nerve fibres

stratum corneum (stratum korne-um ) Outer horny layer of the epidermis.

stratum basale (stratum basal) The deepest layer of the epidermis in which the cells divide; stratum basale.

Stratum Lucidium : Present in only the fingers, palms, and soles.

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