Ch 3 Key Terms Flashcards
(27 cards)
acute
sudden, severe, having a short course
benign
not recurrent or malignant, does not spread to other parts of the body
carcinoma
a malignant neoplasm composed of epithelial cells
chronic
long duration, progresses slowly
cyst
filled sac or pouch
edema
accumulation of fluid in tissues
etiology
cause of a disease
gram stain
lab staining procedure which stains purple (positive) and red (negative)
hernia
protrusion of an organ through an abnormal opening
immunity
defenses against infectious disease
inflammation
localized response to tissue injury; heat, pain, swelling, red
lesion
damaged tissue, injury/wound
malignant
growing worse, spreading
metastasis
spreading from one part of the body to another
microorganism
organism that can only be seen with a microscope
necrosis
tissue death
neoplasia
uncontrolled growth of tissue
neoplasm
tumor that is either benign or malignant
parasite
organism that grown on or in another organism and causes damage
pathogen
organism that causes disease
phagocytosis
used by the body to get rid of invasions; produces fluid and white blood cells i.e. pus
prolapse
dropping or downward displacement of an organ or part
pus
fluid and white blood cells; product of inflammation
sarcoma
malignant neoplasm arising from connective tissue
