| ganglion tympanicum | A small ganglion on the tympanic nerve during its passage through the petrous portion of the temporal bone. Synonym: ganglion tympanicum. (05 Mar 2000) |
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| glomus tympanicum | <radiology> Paraganglioma of middle ear, most common neoplasm of middle ear, arises from tympanic branch of glossopharyngeal nerve, arterial supply: ascending pharyngeal artery, (arises at bifurcation: do CCA injection), glomus JUGULARE is most common tumour of temporal bone (12 Dec 1998) |
| ponticulus | A vertical ridge on the eminentia conchae giving insertion to the auricularis posterior muscle. Origin: L. Dim. Of pons, bridge (05 Mar 2000) |
| ponticulus hepatis | A bridge of liver tissue that sometimes overlaps the fossa of the inferior vena cava, converting it into a canal. Synonym: ponticulus hepatis. (05 Mar 2000) |
| ponticulus nasi | Bridge of the nose. (05 Mar 2000) |
| ponticulus promontorii | subiculum promontorii |
| ostium tympanicum tubae auditivae | An opening in the anterior part of the tympanic cavity below the canal for the tensor tympani muscle. Synonym: ostium tympanicum tubae auditivae, tympanic opening of eustachian tube. (05 Mar 2000) |
| labium limbi tympanicum laminae spiralis | The lower, long periosteal extension of the limbus laminae spiralis osseae that rests on the basilar lamina of the spiral organ (of Corti). Synonym: labium limbi tympanicum laminae spiralis, tympanic lip of limbus of spiral lamina. Labium urethrae, one of the two lateral margins of the external urethral orifice of the female. (05 Mar 2000) |
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