释义 |
hypotympanum hypotympanum [hi″po-tim´pah-num] the lower part of the cavity of the middle ear, in the temporal bone.hy·po·tym·pa·num (hī'pō-tim'pă-nŭm), The lower part of the tympanic cavity. It is separated by a bony wall from the jugular bulb.hy·po·tym·pa·num (hī'pō-tim'pă-nŭm) The lower part of the tympanic cavity. |