Akademik

hypotympanum

The lower part of the tympanic cavity. It is separated by a bony wall from the jugular bulb.

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hy·po·tym·pa·num -'tim-pə-nəm n, pl -na -nə also -nums the lower part of the middle ear compare EPITYMPANUM

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hy·po·tym·pa·num (hi″po-timґpə-nəm) a space in the middle ear, below the lower edge of the sulcus tympanicus of the temporal bone.

Medical dictionary. 2011.