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Ch. 7 Prefixes
Prefixes & their usage
Prefix | Meaning | Example word | Definition |
---|---|---|---|
a, an | without, not | afebrile | without fever |
a, an | without, not | anesthesia | without sensation |
bio | life | bioavailability | amount of drug that reaches body tissues |
bio | life | bioethics | field of study related to the ethics of transplanting, prolonging & ending life |
brady | slow | bradycardia | slow heartbeat |
tachy | fast | tachycardia | fast heartbeat |
de | take away, remove | dehydrate | take away water |
re | put back | recurrence | a return of symptons,(put back to a former state) |
dia | through (running through) | diarrhea | excessive & frequent evacuation of loose, watery stool |
dia | through (running through) | diuresis | discharge of unusually large amounts of urine |
hemi | one-side, half | hemiplegia | one-sided paralysis |
hemo | blood | hematemesis | vomiting blood |
hemo | blood | hemolysis | breakdown of red blood cells |
hydro | water | hydrate | supply water |
hyper | too much, high | hypertension | high blood pressure |
hypo | low; not enough; under | hypothyroid | insufficient production of thyroid hormones |
lip | fat | lipoma | fat tumor (fat cancer cells) |
poly | much; many | polycystic | many cysts |
pre | before | prenatal | before birth |
pro | preceding | prognosis | a prediction of the outcome of a disease |
pro | coming | prodromal | early symptons indicating the onset of a disease |
post | following, after | postoperative | after an operation |
acro | extremities; top; or extreme point | acrodermatitis | skin inflammation of extremities |
aero | air | aerobic | presence of air |
aniso | unequal | anisocytosis | a condition of unequal cells |
dys | bad, painful, or difficult | dysplasia | abnormal cell growth |
dys | bad, painful or difficult | dystocia | difficult labor |
eu | good, easy | euphoria | exaggerated feeling of well being |
eu | good, easy | euthanasia | easy death |
hetero | different | heterogeneous | of unlike nature, composition & structure |
homo | same | homophobia | fear of homosexuality |
homo | same | homogeneous | the same in nature, structure & composition |
homo | same | homeostasis | a stable state in the internal environment of the body |
iso | equal or same | isotonic | a state of equal pressure of concentration |
megalo-; -megaly | enlarged | megalocardia | an enlarged heart |
meno | menses (menstruation) | dysmenorrhea | painful menstruation |
noct; nyct | night | nocturia | urinating at night |
pan | all, every | pandemic | epidemic of great proportions |
sym | going together; united | sympton | a complaint; evidence of a disease |
syn | going together; united | syndrome | group of symptons characteristic of a disease |