Chap 2 Vocab Flashcards
Abscess
Purulent exudate (pus)
Accumulated in contained space
Formed by surrounding tissue
Actinic
chemical change from radiant energy
ex: exposure to sunlight UV rays
Acute
short duration
Angiogenesis
formation and differentiation of blood vessels
Apoptosis
programmed cell death
Atrophy
abnormal decrease in number of cells in organ/tissue
Chemotaxis
movement of WBC’s directed by biochemical mediators to an area of injury
Chronic
long duration
Crenation
indentations or grooves
seen on side of tongue
caused by irritation of adj. teeth
Cyst
abnormal sac/cavity
lined by epithelium
surrounded by fibrous connective tissue
Cytolysis
dissolution or destruction of a cell
Demastication
when tooth wear is increased by chewing an abrasive surface
Edema
SWELLING
excess level of plasma/exudate in interstitial space
Emigration
passage of WBC’s thru walls of small blood vessels to injured area/tissue
Erythema
abnormal redness
Exudate
body fluid with high protein content
consists of serum containing WBC’s, fibrin, and other protein molecules
leaves microcirculation during an inflammatory response
Fever
elevated body temp above 98.6 F or 37 C
Fibroblasts
cells that form fibers and intercellular substance
Fibroplasia
formation of fibrous tissue usually occurs in healing
Fistula
abnormal passage leading from an abscess to outside body surface
Granuloma
tumorlike mass of inflammatory tissue
consists of a central collection of macrophages, multinucleated giant cells
surrounded by lymphocytes
Hyperemia
excess of blood within blood vessels