tympanic bone

(redirected from tympanic ring)
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tympanic bone

n.
The part of the temporal bone of the skull that partially encloses the middle ear and supports the eardrum.

tympanic bone

n
(Anatomy) anatomy the part of the temporal bone in the mammalian skull that surrounds the auditory canal

tympan′ic bone′


n.
(in mammals) a bone of the skull, supporting the tympanic membrane and enclosing part of the middle ear.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tympanic bone - the bone enclosing the middle eartympanic bone - the bone enclosing the middle ear  
bone, os - rigid connective tissue that makes up the skeleton of vertebrates
os temporale, temporal bone - a thick bone forming the side of the human cranium and encasing the inner ear
References in periodicals archive ?
3,4) The tympanic ring appears first at the embryonic period from mesenchymal tissue lying between the first and second branchial arches.
1) It has been suggested that this occurs when salivary gland tissue becomes trapped in the middle ear as the tympanic ring fuses with the squamous and mastoid portions of the temporal bone.
Role of the tympanic ring in the pathogenesis of congenital cholesteatoma.