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TXA2

thromboxane A2.

tylion

(tĭl′ē-ŏn) [Gr. tyleion, knot] The point at the middle of the anterior edge of the optic groove.

tylosis

(tī-lō′sĭs) [Gr. tylos, callus, knob, knot + -sis] Formation of a callus.

tympanal

(tĭm′păn-ăl) [Gr. tympanon, drum] Tympanic (1).

tympanectomy

(tĭm″păn-ĕk′tō-mē) [″ + ektome, excision] Excision of the tympanic membrane.

tympanic

(tĭm-păn′ĭk) [Gr. tympanon, drum] 1. Pert. to the tympanum. SYN: tympanal. 2. Resonant. SYN: tympanitic (2).

tympanites

(tĭm-păn-ī′tēz) [Gr. distention] Distention of the abdomen or intestines due to the presence of gas. SYN: meteorism; tympanism; tympanosis.

tympanitic

(tĭm-păn-ĭt′ĭk) 1. Pert. to or characterized by tympanites. 2. Tympanic (2).

tympano-, tympan-

[L. fr. Gr. tympanon, drum] Prefixes meaning tympanic membrane or eardrum. SEE: myringo-.

tympanocentesis

(tĭm″pă-nō-sĕn-tē′sĭs) Drainage of fluid from the middle ear by using a small gauge needle to puncture the tympanic membrane. The fluid is cultured to determine the identity of any microbes that may be present.

tympanoeustachian

(tĭm″pă-nō-ū-stā′kē-ăn) Pert. to the tympanic cavity and eustachian tube.

tympanomastoiditis

(tĭm″păn-ō-măs″toy-dī′tĭs) [″ + mastos, breast, + eidos, form, shape, + itis, inflammation] Inflammation of the tympanum and mastoid cells.

tympanometry

(tĭm″pă-nŏm′ĕ-trē) A procedure for objective evaluation of the mobility and patency of the eardrum and for detection of middle-ear disorders and patency of the eustachian tubes. SEE: audiometry.

tympanoplasty

(tĭm″păn-ō-plăs′tē) [″ + plassein, to form] Any one of several surgical procedures designed either to cure a chronic inflammatory process in the middle ear or to restore function to the sound-transmitting mechanism of the middle ear.

tympanosclerosis

(tĭm″pă-nō-sklĕ-rō′sĭs) Infiltration by hard fibrous tissue around the ossicles of the middle ear.

tympanostomy

(tĭm″pă-nŏs′tō-mē) Myringotomy.

tympanostomy tube

A tube placed through the tympanic membrane of the ear to allow ventilation of the middle ear as part of the treatment of otitis media with effusion. SYN: grommet. SEE: otitis media with effusion.

tympanotomy

(tĭm″păn-ŏt′ō-mē) [″ + tome, incision] Incision of the tympanic membrane. SYN: myringotomy.

tympanum

(tĭm′păn-ŭm) [L.; Gr. tympanon] The middle ear or tympanic cavity. SYN: cavum tympani. SEE: middle ear.

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