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Anatomy Vocab. 1

Skin, hair, membranes

QuestionAnswer
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