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Anatomic Terms
Terms for spatial relationship and movement.
| Term | Definition |
|---|---|
| anterior | in front of; toward the front surface |
| posterior | in back of; toward the back surface |
| dorsal | the top surface of a structure |
| ventral | underneath or underside of a structure |
| superior | toward the head or above |
| inferior | towards feet or below |
| caudal | at the rear or tail end |
| cranial | at the head end |
| medial | toward the midline of the body |
| lateral | away from the midline of the body; toward the sides |
| deep | on the inside, underneath another structure |
| superficial | on the outside |
| proximal | closest to point of attachment to trunk |
| distal | furthest from point of attachment to trunk |
| sagittal plane | the plane that creates a right and a left side of the body passing from the front to the back |
| horizontal plane | the plane that splits the body into top and a bottom |
| frontal plane | the plane that creates a front and a back side as it passes through the body |
| plantar | the underside of the foot |
| prone | lying on the stomach face-down |
| supine | lying on the back face-up |
| afferent | directed toward a center |
| efferent | directed away from a center |
| flexion | decreasing the angle formed by the bones of the joint |
| extension | increasing the angle formed by the bones of the joint |
| abduction | movement away from the midline of the body |
| adduction | movement towards the midline of the body |
| circumduction | movement in 2 or 3 planes |
| pronation | turning the forearm inward towards the body |
| supination | turning the forearm outward from the pronated position (hold a cup of soup) |
| dorsiflexion | bringing the toes towards the body |
| plantarflexion | pointing toes away from the body |