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36 Cards in this Set

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  • Back
2 types of Epithelial Membranes
cutaneous membrane-the skin

serous membranes-simple squamous epithelium on a connective tissue basement membrane
parietal membrane
lines the walls of body cavities
visceral membrane
covers organs found in body cavities
where is the pleura found
thoracic cavity
where is the peritoneum found
abdominal cavity
pleurisy
inflammation of the serous membranes that line the chest cavity and cover the lungs
peritonitis
inflammation of the serous membranes in the abdominal cavity that line the walls and cover the organs
mucus membranes
line the body surfaces that open directly to the exterior. They produce mucus, a thick secretion that keeps the membranes soft and moist
connective tissue membranes produce a fluid called ________________ .
synovial fluid
two primary layers of the skin
dermis
epidermis
structure of the epidermis
several layers of stratified squamous epithelium
stratum germinativum-innermost layer of cells that continually reproduce, and new cells move toward the surface
as cells approach the surface of the skin, they are filled with a tough, waterproof protein called _________ .
keratin
outermost layer of the keratin filled cells
stratum corneum
skin pigment
deepest epidermal layer, responsible for the production of pigment which gives color to the skin
caused by the breakdown of union between cells or primary layers of skin
blister
The dermis is made largely of ______________________ tissue.
connective
dermal-epidermal junction
specialized area between two primary skin layers
Which is thicker, the dermis or the epidermis?
dermis
upper papillary layer of dermis characterized by parallel rows of tiny bumps
dermal papillae
the dermis contains the following:
nerve endings, muscle fibers, hair follicles, sweat glands, sebaceous glands and blood vessels
what is the soft hair found on a fetus or newborn
lanugo
hair growth requires and epidermal tube-like structure called a ________________
hair follicle
hair growth begins from the________________
papilla
specialized smooth muscle that produces "goose bumps" and causes hair to stand up straight
arrector pili
skin receptor capable of detecting light touch
tactile (meissner) corpuscle
skin receptor capable of detecting pressure
lamellar (pacini) corpuscle
skin receptor capable of detecting low frequency vibration
bulboid
skin receptor capable of detecting pain
free nerve endings
three types of skin glands
eccrine-most numerous- assist in heat regulation,
apocrine-thicker secretion-found primarily in axilla and around genitalia
sebaceous-secrete oil or sebum; increases during adolescence
types of skin cancer
squamous cell carcinoma
basal cell carcinoma
malignent melanoma
kaposi carcinoma
squamous cell carcinoma characteristics
common type of skin cancer
slow growing
lesions begin as painless, hard, raised nodules
basal cell carcinoma characteristics
originates at cells in base of epidermis lesions begin as small raised areas that erode in center, bleed and crust over
less likely to metastasize
malignant melanoma characteristics
most serious form of skin cancer
may develop from benign pigmented moles of excess UV radiation
ABCD rule of self examination
function of the skin
protection
temperature regulation
the body can release almost ______
calories of body hear.t per day
3000
mechanisms of temp regulation
regulation of sweat secretion
regulation of flow of blood close to the body surface