
In the foetus, a more or less complete bony ring at the medial end of the cartilaginous external acoustic meatus, to which is attached the tympanic membrane. ... Synonym: annulus tympanicus, tympanic bone. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973

the bony ring forming part of the temporal bone at birth and developing into the tympanic plate.
Found on
http://www.encyclo.co.uk/local/21001

Type: Term Definitions: 1. in the fetus, a more or less complete bony ring at the medial end of the cartilaginous external acoustic meatus, to which is attached the tympanic membrane. Synonyms: anulus tympanicus, tympanic bone
Found on
http://www.medilexicon.com/medicaldictionary.php?t=78736
No exact match found.