| AIS | Abbreviated Injury Scale; amniotic infection syndrome; androgen insensitivity syndrome; anterior int... |
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| ANAS | anastomosis; auditory nerve activating substance |
| ANI | acute nerve irritation |
| anti-PNM Ab | anti-peripheral nerve myelin antibody |
| C1 | first cervical nerve; first cervical vertebra; first component of complement |
| tympanic enlargement | A swelling, not ganglionic, on the tympanic branch of the glossopharyngeus nerve; it is regarded as possibly similar to the carotid glomus. Synonym: intumescentia tympanica, tympanic intumescence. (05 Mar 2000) |
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| tympanic ganglion | A small ganglion on the tympanic nerve during its passage through the petrous portion of the temporal bone. Synonym: ganglion tympanicum. (05 Mar 2000) |
| tympanic gland | One of the mucous gland's in the mucosa of the tympanic cavity. Synonym: tympanic body. (05 Mar 2000) |
| tympanic groove | The sulcus on the inner aspect of the tympanic part of the temporal bone in which the tympanic membrane is fixed. Synonym: sulcus tympanicus. (05 Mar 2000) |
| tympanic incisure | The notch in the superior part of the tympanic ring bridged by the flaccid part of the tympanic membrane. Synonym: incisura tympanica, incisura rivini, Rivinus' incisure, Rivinus' notch, tympanic incisure. (05 Mar 2000) |
| tympanic intumescence | A swelling, not ganglionic, on the tympanic branch of the glossopharyngeus nerve; it is regarded as possibly similar to the carotid glomus. Synonym: intumescentia tympanica, tympanic intumescence. (05 Mar 2000) |
| tympanic labium of limbus of spiral lamina | The lower, long periosteal extension of the limbus laminae spiralis osseae that rests on the basilar lamina of the spiral organ (of Corti). Synonym: labium limbi tympanicum laminae spiralis, tympanic lip of limbus of spiral lamina. Labium urethrae, one of the two lateral margins of the external urethral orifice of the female. (05 Mar 2000) |
| tympanic lip of limbus of spiral lamina | The lower, long periosteal extension of the limbus laminae spiralis osseae that rests on the basilar lamina of the spiral organ (of Corti). Synonym: labium limbi tympanicum laminae spiralis, tympanic lip of limbus of spiral lamina. Labium urethrae, one of the two lateral margins of the external urethral orifice of the female. (05 Mar 2000) |
| tympanic membrane | <anatomy> The eardrum. (13 Nov 1997) |
| tympanic membrane perforation | An opening in the tympanic membrane usually caused by trauma. There are four general categories: compression injuries (the most common and usually the result of a blow to the ear); instrumentation injuries (the second most common, usually inadvertent, caused often by cotton swabs or bobby-pins); burn-slag injuries (frequently seen in industry, from hot metal from machines or welding); and blast injuries (usually seen during war or as a result of terrorist bombing). In the absence of infection, most traumatic tympanic membrane perforations heal spontaneously. Persistent perforation is usually a manifestation of tubotympanitis, an inflammation of the eustachian tube and tympanic cavity (middle ear). (12 Dec 1998) |
| tympanic notch | The notch in the superior part of the tympanic ring bridged by the flaccid part of the tympanic membrane. Synonym: incisura tympanica, incisura rivini, Rivinus' incisure, Rivinus' notch, tympanic incisure. (05 Mar 2000) |
| tympanic opening of auditory tube | An opening in the anterior part of the tympanic cavity below the canal for the tensor tympani muscle. Synonym: ostium tympanicum tubae auditivae, tympanic opening of eustachian tube. (05 Mar 2000) |
| tympanic opening of canaliculi for chorda tympani | The small canal opening found lateral to the pyramidal eminence in the posterior wall of the middle ear cavity from which the chorda tympani nerve emerges to pass anteriorly between the ossicles accompanied by a branch of the stylomastoid artery. Synonym: apertura tympanica canaliculi chordae tympani. (05 Mar 2000) |
| tympanic opening of eustachian tube | An opening in the anterior part of the tympanic cavity below the canal for the tensor tympani muscle. Synonym: ostium tympanicum tubae auditivae, tympanic opening of eustachian tube. (05 Mar 2000) |
| tympanic part of temporal bone | The bony plate forming the greater part of the anterior wall of the bony part of the external acoustic meatus and the tympanic cavity and the posterior wall of the mandibular fossa. Synonym: pars tympanica ossis temporalis, tympanic part of temporal bone. (05 Mar 2000) |