quadrants
directional terms
term breakdown
word part
abbreviations
100

left lower quadrant

LLQ

100

front (aka ventral)

anterior

100

free of

dis-

100

carcin/o

cancer

100

superior

SUP

200

right upper quadrant

RUQ

200

toward the middle

medial

200

under

sub-

200

-logist

one who studies and treats

(specialist, physician)

200

posterior

post

300

left upper quadrant

LUQ

300

below

inferior

300

wrist

carp/o

300

-oma

tumor

300

anterior

ant

400

right lower quadrant

RLQ

400

above

superior

400

lungs

pulman/o

400
-stasis

control,stop

400

lateral

lat

500

quadrants in order 

RUQ, LUQ, RLQ, LLQ

500

back/rear (aka dorsal)

posterior

500

puncturing

-centesis

500

epitheli/o

epithelium

500

medial

med