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25 Cards in this Set

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Integumentary System
An organ system consisting of the skin, cutaneous glands, hair, and nails.
Hypodermis
A layer of fibroconnective tissue deep to the skin; also called superficial fascia, subcutaneous tissue, or when it is predominatly adipose, subcutaneous fat.
Cyanosis
A bluish color of the skin due to ischemia or hypoxemia.
Langerhans Cell
An antigen-presenting cell of the epidermis.
Dermis
The deeper of the two layers of the skin, underlying the epidermis and composed of fibroconnective tissue.
Dermal Papillae
Bumps or ridges of dermis that enxtend upward to interdigitate with the epidermis, creating a wavy boundary that resists stress and slippage of the epidermis.
Arrector Pili
A bundle of smooth muscle cells associated with hair follicle, responsible for erection of the hair.
Lesion
A circumscribed zone of tissue injury, such as a skin abrasion or myocardial infarction.
Medulla
Tissue deep to the cortex of certain two-layered organs such as the adrenal glands, lymph nodes, hairs, and kidneys.
Cornified
Having a heavy deposit of keratin, as in the stratum corneum of the epidermis.
Melanocyte
A cell of the stratum basale of the epidermis that synthesizes melanin and transfers it to the keratinocytes.
Fascia
A layer of fibroconnective tissue between the muscles (deep fascia) or separating the muscles from the skin (superficial fascia).
Follicle
A small space, such as a hair follicle, thyroid follicle, or ovarian follicle.
Hair Follicle
An oblique epidermal pit that contains a hair and extends into the dermis or hypodermis.
Cutaneous
Pertaining to the skin.
Epidermis
A stratified squamous epithelium that constitutes the superficial layer of the skin, overlying the dermis.
Hematoma
A mass of clotted blood in the tissues; forms a bruise when visible through the skin.
Erythema
Abnormal redness of the skin due to such causes as burns, inflammation, and vasodilation.
Jaundice
A yellowish color of the skin, corneas, mucous membranes, and body fluids due to an excessive concentration of bilirubin; usually indicative of a liver disease, obstructed bile secretion, or hemolytic disease.
Cortex
The outer layer of some organs such as the adrenal gland, cerebrum, lymph node, and ovary; usually covers or encloses tissue called the medulla.
Malignant
Pertaining to a cell or tumor that is cancerous; capable of metastasis.
Papilla
A conical or nipplelike structure, such as lingual papilla of the tongue or the papilla of a hair bulb.
Sebum
An oily secretion of the sebaceous glands that keeps the skin and hair pliable.
Transducer
Any device that converts one form of energy to another, such as a sense organ, which converts a stimulus into an encoded pattern of action potentials.
Mammary Gland
The milk-secreting gland that develops within the breast in pregnancy and lactation; absent or only minimally developed in the breast of a nonpregnant or nonlactating woman.