Directional terms

anter/o

front

caud/o

tail (downward)

cephal/o

head (upward)

dist/o

away (from the point of attachment)

dors/o

back

infer/o

below

later/o

side

medi/o

middle

poster/o

back, behind

proxim/o

near (the point of attachment)

super/o

above

ventr/o

belly (front)

radi/o

x-rays, ionizing radiation

son/o

sound

tom/o

to cut, section, or slice

bi-

two

uni-

one

-ad

toward

-al

pertaining to

-gram

the record, radiographic image

-graph

instrument used to record, the record

-graphy

process of recording, radiographic imaging

-ic

pertaining to

-ior

pertaining to

-logist

one who studies and treats (specialist, physician)

-logy

study of