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BOTH 1120 Chapter 2
Integumentary System
22
Health Care
Undergraduate 1
05/31/2011

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Cards

Term
alopecia
Definition
When hair folicles completely die. The clinical term for baldness.
Term
apocrine glands
Definition
A type of sweat gland that produces a thicker type of sweat than other sweat glands and contains more proteins.
Term
arrector pili
Definition
Muscles attached to hair follicles found in the dermis which causes hair to stand erect when a perso is cold or nervous.
Term
cyanosis
Definition
A bluish color of te skin that results when then supply of oxygen is low in the blood.
Term
dermis
Definition
The middle layer of the skin, which contains connective tissue, nerve endings, hair follicles, sweat glands, and oil glands.
Term
eccrin glands
Definition
The most numerous type of sweat gland. Eccrine sweat glands produce a watery type of sweat and are activated primarily by heat.
Term
epidermis
Definition
The most superficial layer of the skin. (top layer)
Term
follicles
Definition
Tube like depressions in the dermis of skin.
Term
hemoglobin
Definition
A protein that contains iron and bonds with and carries oxygen to the cells.
Term
hypodermis
Definition
The subcutaneous layer of the skin that is largely made of adipose tissue.
Term
keratin
Definition
A durable protein that makes the epidermis waterproof and resistant to bacteria and viruses.
Term
keratinocyte
Definition
Ther most common cell type in the epidermis.
Term
lunula
Definition
The white half-moon shaped area at the base of a nail.
Term
melanin
Definition
Pigment which trapes UV radiation from sunlight and prevents the radiation from harming structures in the underlying layers of skin.
Term
melanocyte
Definition
A cell type of the epidermis which makes the pigment melanin.
Term
nail bed
Definition
The layer beneath the nail which holds the nail down to underlying skin and provides nutrients to the nail from the blood supply.
Term
oxygenated
Definition
Refers to blood that has been to the lungs and is carrying oxygen in the hemoglobin.
Term
sebaceous
Definition
A type of oil gland found in the dermis.
Term
sebum
Definition
An oily substance produced by sebaceous glands and is secreted onto hairs to keep them soft and pliable.
Term
stratum basale
Definition
The deepest layer of the epidermis.Also known as stratum germinativum.
Term
stratum corneum
Definition
The most superficial layer of the epidermis.
Term
sudoriferous
Definition
The sweat glands.
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