tegmen mastoideum


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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
References in periodicals archive ?
In conclusion, spontaneous CSF leakage can occur as a result of bony defects over the tegmen tympani or tegmen mastoideum. Clear middle ear effusion or otorrhea should alert the physician to this possibility.