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tegmen
(redirected from tegmen tympani)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
tegmen [′tegĀ·mən]
(biology)
An integument or covering.
(botany)
The inner layer of a seed coat.
(invertebrate zoology)
A thickened forewing of Orthoptera, Coleoptera, and certain other insects.


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Preoperative CT establishes the type of surgical procedure as it determines the extent of the cholesteatoma, ocular chain involvement, facial canal integrity, and tegmen tympani and dural plate involvement.
Biochemical analysis of the fluid with beta-2-transferrin identified the fluid as CSE High-resolution computed tomography (CT) of the temporal bone demonstrated an extensively pneumatized but opaque mastoid and a defect in the tegmen tympani (figure).
Unlike a mastoid defect, a tegmen defect cannot be easily obliterated with bone wax because the tegmen tympani is not supported by underlying bone, and the pressure required to apply the wax can fracture it.
 
 
 
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