anterior/ventral
front surface of the body
posterior/dorsal
backside of the body
deep
away from the surface
superficial
on the surface
proximal
near the point of attachment to the trunk; near the beginning of a structure
distal
far from the point of attachment to the trunk; far from the beginning of a structure
Inferior
below another structure
superior
above another structure
medial
pertaining to the middle; nearer the medial plane of the body
lateral
pertaining to the side
cephalad
towards the head
caudad
toward the tail
unilateral
pertaining to one side only
bilateral
pertaining to both sides
anteroposterior
from front to back