| IFR | infrared; inspiratory flow rate |
|---|---|
| ILS | idiopathic leucine sensitivity; idiopathic lymphadenopathy syndrome; increase in life span; infrared... |
| IR | drop of voltage across a resistor produced by a current; ileal resection; immune response; immunizat... |
| IRED | infrared light-emitting diode |
| IR-LED | infrared light emitting diode |
| NIRS | Near infrared spectrophotometry |
|---|---|
| near-IR | Near-infrared |
| NIR | Near-infrared interactance |
| 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) |
| 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) |