loading...| Preferred Name |
tympanic ring |
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| Synonyms |
tympanic annulus tympanic anulus os tympanicum tympanic membrane annulus ectotympanic ring |
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| Definitions |
Gene notes: Gsc and Prx1 are essential for tympanic ring development A C-shaped membranous bone that provides physical support to the tympanic membrane. The tympanic ring develops sequentially from an initial primordium in the first branchial arch growing in a circumferential fashion around the first pharyngeal cleft into the second branchial arch (Mallo and Gridley, 1996). In most mammals, the tympanic ring exists only during embryonic life, when it coordinates proper development and positioning of the eardrum (see below), and then becomes integrated into the temporal bone[PMID]. |
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| ID |
http://purl.obolibrary.org/obo/UBERON_0002218 |
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| comment |
Gene notes: Gsc and Prx1 are essential for tympanic ring development |
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| contributes to morphology of | ||
| database_cross_reference |
SCTID:95952001 EMAPA:19197 AAO:0000615 MA:0001225 |
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| definition |
A C-shaped membranous bone that provides physical support to the tympanic membrane. The tympanic ring develops sequentially from an initial primordium in the first branchial arch growing in a circumferential fashion around the first pharyngeal cleft into the second branchial arch (Mallo and Gridley, 1996). In most mammals, the tympanic ring exists only during embryonic life, when it coordinates proper development and positioning of the eardrum (see below), and then becomes integrated into the temporal bone[PMID]. |
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| editor note |
check amphibians |
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| has related synonym |
tympanic annulus tympanic anulus os tympanicum tympanic membrane annulus ectotympanic ring |
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| has_obo_namespace |
uberon |
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| id |
UBERON:0002218 |
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| in_subset | ||
| label |
tympanic ring |
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| notation |
UBERON:0002218 |
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| part_of | ||
| prefixIRI |
UBERON:0002218 |
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| prefLabel |
tympanic ring |
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| treeView | ||
| UBPROP_0000001 |
Funnel-like ring structure located lateral to the ventral ramus of the squamosal, beneath the skin; it provides support to the tympanic membrane.[AAO] |
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| UBPROP_0000002 |
relationship loss: part_of plectral apparatus (AAO:0000443)[AAO] |
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| UBPROP_0000012 |
in FMA, the tympanic ring is an anatomical line. Howevever http://www.ncbi.nlm.nih.gov/pubmed/11237469 states: 'the tympanic ring, which serves as support for the tympanic membrane, directs invagination of the first pharingeal cleft ectoderm to form the external acoustic meatus (EAM), which provides the outer layer of the membrane'. in AAO 'Funnel-like ring structure located lateral to the ventral ramus of the squamosal, beneath the skin; it provides support to the tympanic membrane'. |
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| subClassOf |