tegmen

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tegmen

[′teg·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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References in periodicals archive ?
Moreover, the tegmen mastoideum was destroyed and the meninges of the right temporal lobe and cerebellum were thickened and enhanced by contrast.
The mastoidectomy was performed by identifying the tegmen mastoideum superiorly, the external auditory canal anteriorly, and the sigmoid sinus posteriorly using an otologic drill.
In conclusion, spontaneous CSF leakage can occur as a result of bony defects over the tegmen tympani or tegmen mastoideum.