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Coding prefix & term
directions and positions
Term | Definition |
---|---|
ab- (ex. abduction) | away from |
ad- (ex. adduction) | toward |
ante-, pre-, pro- (ex. antepardum, precancerous, prostate) | before |
dia- (ex. diameter) | through, complete |
ecto-, ex-, exo- (ex. ectopic, exocrine, exophthalmos) | out, outside, away from |
en-, endo-, inter-(ex. endoscope) | within, inside |
epi- (ex. epigastric) | above, on, upon |
hypo- (ex. hypoglycemic) | sub, beneath, under, deficient |
infra-, sub- (ex. Infrastructure, subheptic) | below,under |
sub- (ex. subcutaneous) | under |
intra- (intravenous) | within, in, into |
ipsi- (ex. ipsilateral) | same |
meso- (ex. mesopexy) | middle |
peri- (ex. pericardium) | surrounding, around |
post- (ex. postpoartum) | after, behind |
re-, retro- (ex. resection, retroversion) | behind, backward |
super-, supra- (ex. superior, subrapubic) | above, upper, beyond |
trans- (ex. transheptic) | across, through |
anterior or ventral | at or near the front surface of the body |
posterior or dorsal | at or near the back surface of the body |
superior | above |
inferior | below |
lateral | side |
distal | farthest from center |
proximal | nearest to center |
medial | middle |
supine | face up or palm up |
prone | face down or palm down |
sagittal | vertical body plane, divides the body into equal right and left sides |
transverse | horizontal body plane, divedes the body into top and bottom sections |
coronal | vertical body plane, divides the body into front and back sections |
para- (ex. paralysis) | abnormal, near, beside |