tegmen mastoideum


Also found in: Dictionary, Encyclopedia.

teg·men mas·toi·'de·um

the lamina of bone roofing over the mastoid cells.

tegmen mastoideum

An obsolete term that formerly dignified the posterior extensions of the tegmen tympani over the mastoid air cells.

teg·men mas·toi·de·um

(teg'men mas-toyd'ē-ŭm)
The lamina of bone roofing over the mastoid cells.

tegmen mastoideum

The bony roof of mastoid sinuses.
See also: tegmen