PNUR 1001 04 Integumentary System Flashcards
(130 cards)
epidermis
thin outer layer that is constructed mostly of nonliving, keratinized (hardened) cells;
waterproof and provides protection for the deeper layers
basement membrane
where new, living epidermal cells are produced
subcutaneous layer
contains fat tissue, deeper blood vessels, nerves, the lower part of hair follicles, elastin, and collagen;
provides insulation for deeper structures
sudoriferous glands
sweat glands
sebaceous glands
oil glands; secrete sebum
sebum
oily substance secreted by sebaceous glands
skin
organ;
major fxns: protection and temperature regulation
laceration
a cut or tear in the flesh
abrasion
an area when skin or mucous membranes are scraped away
edema
swelling
erythema
redness
leukocytes
white blood cells
melanocytes
pigment-producing skin cells
reflex
a protective response that happens so quickly you don’t have time to think about it
hair shaft
part of the hair that you can see
hair follicle
the part of hair buried in the skin; contains the root
nailbed
a layer of epithelial tissue; nails grow over
lunula
area at the base of the nail where new growth occurs; sometimes called the half-moon
adip/o
(meaning; example; meaning of example)
fat
(adipoid: resembling fat)
lip/o
(meaning; example; meaning of example)
fat
(lipoma: tumor of fat)
bas/o
base
(basal: pertaining to the base)
cutane/o
(meaning; example; meaning of example)
skin
(cutaneous: pertaining to the skin)
derm/o
(meaning; example; meaning of example)
skin
(dermoplasty: surgical repair of the skin)
dermat/o
(meaning; example; meaning of example)
skin
(dermatologist: specialist in the study of skin)