tensor tympani muscle


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Related to tensor tympani muscle: Stapedius muscle, Tensor veli palatini muscle

ten·sor tym·pa·ni mus·cle

(ten'sōr tim'pă-nī mŭs'ĕl)
Origin, the cartilaginous part of the auditory (eustachian) tube and the walls of its hemicanal 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(s): musculus tensor tympani [TA] , tensor muscle of tympanic membrane.

tensor tympani muscle

Middle ear muscle. Origin: wall of auditory tube. Insertion: handle of malleus. Nerve: trigeminal (CN V). Action: tenses tympanic membrane, dampens excessive vibrations.
See also: muscle

Toynbee,

Joseph, English otologist, 1815-1866.
Toynbee corpuscles - connective tissue cells found between the laminae of fibrous tissue in the cornea. Synonym(s): corneal corpuscles
Toynbee manuever - swallowing or blowing while nose is pinched closed and the mouth is shut opens the ears.
Toynbee muscle - draws the handle of the malleus medialward, tensing the tympanic membrane to protect it from excessive vibration by loud sounds. Synonym(s): tensor tympani muscle
Toynbee tube - a tube by which an otologist can listen to the sounds in a patient's ear during politzerization.