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Medical TERMINOLOGY   -   A thru Z

Prefixes, roots, suffixes

Prefix: A prefix is placed at the beginning of a word to modify or change its meaning. Pre means "before." Prefixes may also indicate a location, number, or time.    Root: central part of a word.   Suffix:  The ending part of a word that modifies the meaning of the word. Example: homeless. Root = 'home' and the suffix is 'less'. It can also refer to a condition, disease, disorder, or procedure.
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R

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Term
Meaning
rachi/o spinal column; vertebrae
radi/o x-rays; radioactivity; radius (lateral lower arm bone)
radicul/o nerve root
re- back; again; backward
-receptor, -ceptor receiver
rect/o rectum
ren/o kidney
respir/o breath
resuscit/o to revive
reticul/o network
retin/o retina
retro- behind; back; backward
rhabd/o rod
rhabdomy/o striated (skeletal) muscle
rhe/o flow, current, stream
rheumat/o watery flow
rhin/o nose
rhiz/o root
rhod/o red, rosy
rhytid/o wrinkle
roentgen/o x-rays
rose/o rosy
rot/o, rotat/o turn, revolve
-rrhage bursting forth (of blood)
-rrhagia bursting forth (of blood)
-rrhaphy suture
-rrhea flow; discharge
-rrhexis rupture
rhythm/o rhythm
rubr/o, rubr/i red
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