epitympanum


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epitympanum

 [ep″ĭ-tim´pah-num]
epitympanic recess. adj., adj epitympan´ic.

ep·i·tym·pa·num

(ep'i-tim'pă-nŭm),
The upper portion of the tympanic cavity or middle ear above the tympanic membrane; it contains the head of the malleus and the body of the incus.

epitympanum

/epi·tym·pa·num/ (-tim´pah-num) epitympanic recess.

ep·i·tym·pa·num

(ep'i-tim'pă-nŭm)
The upper portion of the tympanic cavity or middle ear above the tympanic membrane; contains the head of the malleus and the body of the incus.

epitympanum

the upper part of the tympanum.
References in periodicals archive ?
6,9) With the use of the operating microscope, each bone underwent ICWM with extension into the epitympanum, dissection of the facial recess, and removal of the posterior half of the tympanic membrane.
During surgery, a mass of keratin debris was encountered in the epitympanum and mastoid antrum.
3) These fractures have been defined as those that run parallel to the external auditory canal and course through the antrum and epitympanum, where they may lead to interruption of the ossicular chain.
Most are found in the epitympanum of the middle ear cavity; only rarely do they occur in the external auditory canal.
The lesion had eroded the lateral wall of the mastoid and epitympanum and extended intracranially.
Computed tomography (CT) of the temporal bones detected a soft-tissue mass that involved the medial part of the ear canal, the mesotympanum, and the epitympanum (figure 1, A and B).