| posterior recess of tympanic membrane | A narrow pocket in the tympanic wall between the posterior malleolar fold and the tympanic membrane. Synonym: recessus membranae tympani posterior, Troltsch's pockets, Troltsch's recesses. (05 Mar 2000) |
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| posterior tympanic artery | <anatomy, artery> Origin, stylomastoid; distribution, middle ear; anastomoses, other tympanic arteries. Synonym: arteria tympanica posterior. (05 Mar 2000) |
| post-tympanic | <anatomy> Situated behind the tympanum, or in the skull, behind the auditory meatus. Origin: Pref. Post- + tympanic. Source: Websters Dictionary (01 Mar 1998) |
| cutaneous layer of tympanic membrane | The thin layer of skin on the external surface of the tympanic membrane. Synonym: cutaneous layer of tympanic membrane. (05 Mar 2000) |
| secondary tympanic membrane | The membrane closing the fenestra cochleae or rotunda. Synonym: membrana tympani secundaria, Scarpa's membrane. (05 Mar 2000) |
| nerve of tympanic membrane | Sensory branch of the auriculotemporal nerve supplying the external surface of the tympanic membrane. Synonym: ramus membranae tympani nervi auriculotemporalis, nerve of tympanic membrane. (05 Mar 2000) |
| superior recess of tympanic membrane | A space in the mucous membrane on the inner surface of the tympanic membrane between the flaccid part of the membrane and the neck of the malleus. Synonym: recessus membranae tympani superior, Prussak's pouch, Prussak's space. (05 Mar 2000) |
| superior tympanic artery | <anatomy, artery> Origin, middle meningeal; distribution, middle ear; anastomoses, other tympanic arteries. Synonym: arteria tympanica superior. (05 Mar 2000) |
| inferior tympanic artery | <anatomy, artery> Origin, ascending pharyngeal; distribution, middle ear; anastomoses, tympanic branches of other arteries. Synonym: arteria tympanica inferior. (05 Mar 2000) |
| tense part of the tympanic membrane | The greater portion of the tympanic membrane which is tense and firm, contrasting with the small triangular flaccid part of tympanic membrane. Synonym: pars tensa membranae tympani, membrana tensa, membrana vibrans. (05 Mar 2000) |
| tensor muscle of tympanic membrane | <anatomy, muscle> Origin, the cartilaginous part of the auditory (eustachian) tube and the walls of its hemi-canal just above the bony portion of the auditory tube; insertion, handle of malleus; action, draws the handle of the malleus medialward tensing the tympanic membrane to protect it from excessive vibration by loud sounds. Nerve supply, branches of trigeminal through the otic ganglion. Synonym: musculus tensor tympani, tensor muscle of tympanic membrane, Toynbee's muscle. (05 Mar 2000) |
| tubal branch of the tympanic plexus | Sensory branch of tympanic plexus (of glossopharyngeal nerve) to auditory tube. Synonym: ramus tubarius plexus tympanici. (05 Mar 2000) |
| tympanic | 1. Like a tympanum or drum; acting like a drumhead; as, a tympanic membrane. 2. <anatomy> Of or pertaining to the tympanum. <anatomy> Tympanic bone See the Note under Ear. See: Tympanum. <anatomy> The tympanic bone. Source: Websters Dictionary (01 Mar 1998) |
| tympanic air cells | Numerous groovelike depressions in the walls of the tympanic cavity, communicating with the tubal air cells. Synonym: cellulae tympanicae, tympanic cells. (05 Mar 2000) |
| tympanic antrum | A cavity in the petrous portion of the temporal bone, communicating posteriorly with the mastoid cells and anteriorly with the epitympanic recess of the middle ear via the aperture of the mastoid antrum. Synonym: antrum mastoideum, tympanic antrum, Valsalva's antrum. (05 Mar 2000) |