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| the middle portion of the ear, consisting of the tympanic membrane and an air-filled chamber lined with mucous membrane, that contains the malleus, incus, and stapes. |
| the trunk of the body from the neck to the abdomen; thorax |
crural cru·ral (kr&oobreve;r'əl)
adj.
Of or relating to the leg, shank, or thigh.
Of or relating to a body part that resembles a leg.