| CAVO | common atrioventricular orifice |
|---|---|
| EOA | effective orifice area; erosive osteoarthritis; esophageal obturator airway; examination, opinion, a... |
| LUO | left ureteral orifice |
| MVO | maximum venous outflow; mitral valve opening or orifice |
| MVOA | mitral valve orifice area |
| radiate layer of tympanic membrane | The connective tissue layer of the tympanic membrane beneath the stratum cutaneum, the fibres of which radiate from the manubrium of the malleus to the peripheral fibrocartilaginous ring of the membrane; absent from the pars flaccida. Synonym: radiate layer of tympanic membrane. (05 Mar 2000) |
|---|---|
| medial wall of tympanic cavity | A bony layer separating the middle from the internal ear or labyrinth; it contains the fenestra vestibuli and the fenestra cochleae. Synonym: paries labyrinthicus cavi tympani, labyrinthine wall of middle ear, medial wall of middle ear. (05 Mar 2000) |
| greater tympanic spine | The anterior edge of the tympanic notch (of Rivinus). Synonym: spina tympanica major. (05 Mar 2000) |
| roof of tympanic cavity | The superior wall, or roof, of the tympanic cavity, formed by the tegmen tympani of the temporal bone. Synonym: paries tegmentalis cavi tympani, tegmental wall of middle ear. (05 Mar 2000) |
| circular layer of tympanic membrane | Circular fibres deep to the radiate layer of the membrane that are more abundant near the periphery; not present in the pars flaccida. Synonym: circular layer of tympanic membrane. (05 Mar 2000) |
| communicating branch of facial nerve with tympanic plexus | A fine branch of facial nerve joining the tympanic branch of the glossopharyngeal nerve. Synonym: ramus communicans nervi facialis cum plexu tympanico. (05 Mar 2000) |
| mucosa of tympanic cavity | The mucous layer of the tympanic cavity and the structures in it. Synonym: tunica mucosa cavitatis tympani, mucous membrane of tympanic cavity. (05 Mar 2000) |
| mucous membrane of tympanic cavity | The mucous layer of the tympanic cavity and the structures in it. Synonym: tunica mucosa cavitatis tympani, mucous membrane of tympanic cavity. (05 Mar 2000) |
| 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) |
| posterior tympanic artery | <anatomy, artery> Origin, stylomastoid; distribution, middle ear; anastomoses, other tympanic arteries. Synonym: arteria tympanica posterior. (05 Mar 2000) |
| posterior wall of tympanic cavity | It contains the opening into the mastoid antrum. Synonym: paries mastoideus cavi tympani, mastoid wall of middle ear, posterior wall of middle ear. (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) |
| promontory of tympanic cavity | A rounded eminence on the labyrinthine wall of the middle ear, caused by the first coil of the cochlea. Synonym: promontorium cavi tympani, tuber cochleae, tympanic promontory. (05 Mar 2000) |
| secondary tympanic membrane | The membrane closing the fenestra cochleae or rotunda. Synonym: membrana tympani secundaria, Scarpa's membrane. (05 Mar 2000) |