Front | Back |
Toward the head end or upper part of a structure or the body; above
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Superior (Cranial) The head is superior to the abdomen |
Away from the head end or toward the lower part of a structure or the body; below
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Inferior (Caudal) The navel is inferior to the chin |
Toward or at the front of the body; in front of
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Ventral (Anterior) The breastbone is anterior to the spine |
Toward or at the back of the body; behind
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Dorsal (Posterior) The heart is posterior to the breastbone |
Toward or at the midline of the body; on the inner side of
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Medial The heart is medial to the arm |
Away from the midline of the body; on the outer side of
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Lateral The arms are lateral to the chest |
Between a more medial and a more lateral structure
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Intermediate
The collarbone is intermediate between the breastbone and shoulder |
Closer to the origin of the body part or the point of attachment of a limb to the body trunk
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Proximal The elbow is proximal to the wrist |
Farther from the origin of a body part or the point of attachment of a limb to the body trunk
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Distal The knee is distal to the thigh |
Toward or at the body surface
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Superficial
The skin is superficial to the skeletal muscles |
Away from the body surface; more internal
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The lungs are deep to the skin
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Away from the midline of the body; on the outer side of
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Lateral
The arms are lateral to the chest |