tegmen tympani

(redirected from roof of tympanum)

tegmen

 [teg´men] (L.)
a covering structure or roof.
tegmen tym´pani the thin layer of bone that forms the roof of the tympanic cavity, separating it from the cranial cavity.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

teg·men tym·'pa·ni

[TA]
the roof of the middle ear, formed by the thin anterior surface of the petrous portion of the temporal bone. Its anterior edge is inserted into the petrosquamous fissure so that it can be seen as a wedge of bone subdividing that fissure into a squamotympanic and a petrotympanic fissure.
Synonym(s): roof of tympanum
Farlex Partner Medical Dictionary © Farlex 2012

teg·men tym·pa·ni

(teg'men tim'pan-ī) [TA]
The roof of the middle ear, formed by the thinned anterior surface of the petrous portion of the temporal bone. Its anterior edge is inserted into the petrosquamous fissure so that it can be seen as a wedge of bone subdividing that fissure into a squamotympanic and a petrotympanic fissure.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012