anter/o
anterior nearer to or toward the front; ventral
poster/o
posterior nearer to or toward the back; dorsal; situated behind
ventr/o
ventral belly side; same as anterior surface in humans
dors/o
dorsal directed toward or situated on the back side; same as posterior surface in humans
medi/o
medial, median middle or nearer the middle; the prefix mid- also means middle
later/o
lateral toward the side; denoting a position farther from the midline of the body or from a structure
super/o
superior uppermost or above
infer/o
inferior lowermost or below
proxim/o
proximal nearer the origin or point of attachment
dist/o
distal far or distant from the origin or point of attachment
cephal/o
cephalad toward the head
caud/o
caudad toward the tail or in an inferior direction in humans
intern/o
internal inside, within (L., internus)
extern/o
external outside (L., externus)