Superior
above
Interior
below
Anterior
front
Posterior
back
Cranial
head/cephalic
Caudal
tail
Dorsal
back
Ventral
belly
Proximal
closer to attachment
Distal
distant from attachment
Medial
toward midline
Lateral
away from midline
Ipsilateral
same side
Contralateral
opposite side
Bilateral
both sides
Supine
face up
Prone
face down