Toward the center; in the direction of the central axis or midpoint, especially used in anatomy and biology.
From Latin 'centrum' (center) + '-ad' (toward). This is a technical directional term used by anatomists to describe movement or positioning relative to the center of the body.
When doctors say something moves 'centrad,' they mean it's heading toward the middle—it's medical shorthand that saves them from saying a whole sentence!
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