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n. A cavity

In anatomy, a hollow; the cavity of any organ: chiefly used, with reference to the cavities or sinuses of the heart, with a Latin adjective.

n. (anatomy) a natural hollow or sinus within the body

"Macra cavum repetes, quem macra subisti, [2893] the six non-natural things caused it, and they must cure it."

structure    anatomical structure    complex body part    body structure    bodily structure   

sac    axilla    cranial cavity    archenteron    pericardial space    greater peritoneal sac    peritoneal cavity    eye socket    socket    fossa