Front | Back |
Anterior
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The surface that moves forward during locomotion.
toward the front in all animals; toward the head end in 4-legged animals. |
Posterior
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The opposite of anterior.
toward the rear in all animals, toward the tail end in 4-legged animals. |
Lateral
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The side; toward the side
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Medial
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The midline; toward the midline axis
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Dorsal
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The back surface (in all animals). the same as posterior in humans
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Ventral
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Opposite of dorsal.
the belly surface in all animals, the same as the anterior in humans. |
Distal
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Preferred directional term.
farther away from a reference point--term generally used to describe portions of a limb compared to some other portion of the same limb; using the torso as a reference pt. |
Proximal
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Preferred directional term.
closer to a reference point; term generally used to describe portions of a limb compared to some other portion of the same limb, using the torso as a reference pt. |
Cephalo- or cranial
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Toward the head or brain; same as anterior (in 4-legged animals) and superior (in humans)
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Caudal
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Toward the tail; same as posterior (in 4 legged animals)
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Superior
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Above or upward (same as cranial in humans, same as dorsal in 4-legged animals)
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Inferior
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Below or downward; toward the feet (in humans), same as ventral (in 4 legged animals)
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Coelomate
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Having a coelem or a body cavity
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Acoelomate
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Lacking a coelom or body cavity
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Longitudinal
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Parallel to the long axis of an organ or of the body; generally used when referring to making a cut--either on a dissection specimen or on a slide specimen
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