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Anatomy Vocab. 1
Skin, hair, membranes
Question | Answer |
---|---|
Plain Whorl | 2 deltas; at least one ridge making complete circuit (spiral, oval, circular, variant of circle) |
Plain Arch | ridges enter one side of impression, flow out other side with rise/wave in center |
Basal cell carcinoma | least malignant & most common skin cancer |
mucous membrane (mucosa) | forms the linings of body cavities open to exterior (digestive, respiratory, urinary, reproductive) |
tented arch | possesses either angle, upthrust, or 2/3 basic characteristics of loop |
articular cartilage | covers articular surfaces of bones |
articular capsule | joint capsule; envelope surrounding synovial joint |
fibrous capsule | capsule of fibrous cells/tissues; external layer of articular capsule |
accidental whorl | combination of 2 different types of patterns |
double loop whorl | 2 separate loop formations |
radial loop | flows in direction of radius bone |
ulnar loop | flows in direction of ulna bone toward pinky finger |
central pocket loop | one or more free recurving ridges & 2 points of delta |
coronal | frontal plane that passes through long axis of body |
spinous | slender and pointed like a spine |
imbricate | overlapping of successive layers of tissue in surgical closure of a wound |
eponychium | thickened layer of epidermal tissue over fingernail/toenail; CUTICLE |
hair--intermittent | follicle dystrophy; follicle leading to fragility |
hair--absent | brittle slowing growth |
squamous cell carcinoma | arises from cells of stratum spinosum; scaly, reddened papule gradually forms shallow ulcer with firm raised border (skin cancer) |
melanoma | caner of melanocytes (5%; often deadly) |
cuticle | thick proximal nail fold; borders nail overlapped by skin folds |
carbuncles | composite boils typically caused by bacterial infection; inflammation of hair follicles & sebaceous glands |
impetigo | pink, water-filled, raised lesions; develop yellow crust & eventually rupture |
third degree burn | destroy entire thickness of skin--blanched/blackened |
second degree burn | epidermis & upper dermis--red, painful, blisters appear |
first degree burn | epidermis is damaged--red & swollen (2-3 days healing) |
psoriasis | chronic condition; reddened epidermal lesions covered with dry, silvery scales |
hair root | part of hair enclosed in follicle |
papillary layer | upper dermal region--uneven with fingerlike projections from superior surface |
serous membrane | lines cavity w/o opening to outside of body (except joint cavities); serosa |
parietal peritoneum | lines abdominal wall |
visceral peritoneum | lines abdominal viscera |
cutaneous membrane | skin; epidermal and dermal layers |
keratinization | becoming hard and tough |
eccrine glands | numerous & all over body; produce sweat |
stratum lucidum | latter epidermal layer--skin is hairless & extra thick (palms, soles of feet) |
stratum basale | deepest cell layer of epidermis; closest to dermis |
stratum corneum | outermost layer--20 to 30 cell layers thick; 3/4 of epidermal thickness |
hypodermis | deep to dermis--not part of skin but anchors skin to organs |
hair follicle | compound structures; cavity where hair grows |
pleura | serous membrane covering lungs & lining thoracic cavity |
peritoneum | serous membrane lining interior abdominal cavity & covering surfaces of abdominal organs |
keratin | tough, insoluble protein in tissues--hair, nails, epidermis |
hair--continuous | no disruptions along shaft |
hair--fragmented | portion of visible areas of medulla is less than areas when medulla isn't visible |
hair shaft | projecting from surface of scalp/skin |
reticular layer | deepest skin layer--blood vessels, swear, oil glands, deep pressure receptors |
medulla | central portion of certain organs |
melanocytes | cell that produces melanin |
sebaceous glands | empties sebum secretion into hair follicles |
apocrine glands | less numerous sweat gland--produces secretion containing salts, water, proteins |
melanin | dark pigment synthesized by melanocytes--gives skin color |
arrector pili | tiny, smooth muscles attached to hair follicles, cause hair to stand upright |
dermis | deep layer of skin--dense irregular connective tissue |
epidermis | outer layer of skin; epithelium |
synovial membrane | lines capsule of synovial joint |
pericardium | membranous sac enveloping the heart |
Created by:
ShelbyNicole