Right
Towards the right side of the body (right ear)
Left
Towards the left side of the body (left ear)
Superior
Structure above another (Chin is superior to the navel)
Inferior
Structure below another (navel is inferior to the chin)
Cephalic
Closer to the head than another structure (chin is cephalic to the navel)
Caudal
Closer to the tail than another structure (navel is caudal to the chin)
Anterior
Front of the body (Navel is anterior to the spine)
Posterior
Back of the body (spine is posterior to the navel)
Ventral
Towards the body (navel is ventral to the spine)
Dorsal
Towards the back (spine is dorsal to the sternum)
Proximal
Closer to the point of attachment to the body than another structure (elbow is proximal to the wrist)
Distal
Farther from the point of attachment to the body than another structure (wrist is distal to the elbow)
Lateral
Away from the midline of the body (nipple is lateral to the sternum)
Medial
Towards the midline of the body (bridge of the nose is medial to the eye)
Superficial
Towards or on the surface (skin is superficial to muscle)
Deep
Away from the surface/internal (lungs are deep to the ribs)