| fold of chorda tympani | The fold of mucosa that surrounds the chorda tympani nerve in its course through the tympanic cavity. Synonym: plica chordae tympani. (05 Mar 2000) |
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| laxator tympani | One of two supposed muscles, probably ligaments of the malleus. Origin: Mod. L. (05 Mar 2000) |
| fundus tympani | The floor of the tympanic cavity; a thin plate of bone separating the tympanic cavity from the jugular fossa. Synonym: paries jugularis cavi tympani, fundus tympani, inferior wall of tympanic cavity, jugular wall of middle ear. (05 Mar 2000) |
| limbus membranae tympani | Margin of the tympanic membrane attaching to the tympanic sulcus. Synonym: limbus membranae tympani. (05 Mar 2000) |