Dorsal
Top view (Latin: dorsum=back) think dorsal fin of a dolphin
Ventral
View from the underside (Latin: venter=belly)
Rostral
Toward the front, following the spinal cord (rostrum=beak)
Caudal
Toward the back, toward the tail, following the spinal cord (cauda=tail)
Anterior
In front of, front
Posterior
After, behind, following, toward the rear
Distal
Away from, farther from the origin
Proximal
Near, closer to the origin
Lateral
Toward the side, away from the mid line
Medial
Toward the mid-line, middle, away from side