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fossa

A shallow hollow or dip in a bone or on the body's surface.

FOS-uh noun

What it means

An anatomical hollow. The antecubital fossa, the inner bend of the elbow, is a common site for drawing blood. The popliteal fossa is the hollow behind the knee, where a pulse can be felt. The skull has three cranial fossae that hold parts of the brain.

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Also writtenfossae
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