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21 terms

Anatomical position terms and planes of reference

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Ventral
away from the backbone; toward the front of the body
Dorsal
toward the backbone, away from the front of the body
Anterior
toward the front or away from the back
Posterior
toward the back, or away from the front
Superficial
toward the surface as distinct from superior
Deep
away from the surface as distinct from inferior
Superior
upper
Inferior
lower
Cranial
toward the head
Caudal/Rostral
toward the tail; away from the head
External
toward the outer surface (used for body cavities or body wall)
Internal
toward the inner surface (also used for body cavities or body wall)
Medial
toward the axis or midline
Lateral
away from the axis or midline
Proximal
toward the body or toward the root of a free extremity
Distal
away from the body or the root of a free extremity
Central
pertaining to or situated at the center
Peripheral
toward the outward surface or part
Sagittal Plane
vertical plane; cut divides body into right and left halves
Transverse Plane
horizontal plane that divides body into upper and lower parts
Coronal/Frontal Plane
vertical plane that intersects median sagittal plane at right angles and is parallel to the forehead.