Physiology Chapter 1 2026
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, Dorsal (posterior) Toward or at the back of the body; behind
Medial toward or at the midline of the body; on the inner side of
Lateral away from the midline of the body; on the outer side of
Intermediate between a more medial and a more lateral structure
Proximal closer to the origin of the body part or the point of attachment of a limb to the
body trunk
Distal farther from the origin of a body part or the point of attachment of a limb to the
body trunk
Superficial toward or at the body surface
Deep (internal) away from the body surface; more internal