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tegmen

tegmen

9.9
A thin bone plate that forms the roof of the middle ear
  • noun
  • /ˈtɛɡmən/
  • Specialized
translation icon : tegmen
  • Damage to the tegmen can lead to serious complications, including hearing loss.
  • tegmen defect
  • tegmen tympani
  • middle fossa tegmen

Examples

  • The sinus plate had been destroyed, but the tegmen plate was intact.

    Academic text (2007)
  • Finally, in 1983, Adkins and Osguthorpe described the mini-craniotomy procedure for the management of 2 cases of CSF otorrhea from tegmen defects caused by chronic ear disease.

    Academic text (2007)
  • In our series, CT correlated well with the identification of single or multiple tegmen defects.

    Academic text (2005)
  • If a significant defect in the tegmen is not reconstructed, an encephalocele (herniation of brain tissue) might occur.

    Academic text (2004)
  • Coronal CT shows a bone graft (arrow) over a tegmen defect 3 years postoperatively.

    Academic text (2005)
  • Canaloplasty has resulted in thinned bone at the temporomandibular joint anteriorly and at the tegmen tympani superiorly (double arrowheads).

    Academic text (2002)
  • Spontaneous CSF temporal bone leakage might occur as a result of an encephalocele or secondary to the development of arachnoid granulations along the tegmen of the middle ear or mastoid.

    Academic text (2005)
  • The tegmen of the middle ear acts as a protective barrier for the delicate structures inside.

  • Surgery was required to repair the tegmen after a chronic infection caused a significant defect.

Surface Forms

tegmen singular
tegmina plural

Etymology

Tegmen comes from the old Latin root teg- meaning 'to cover'. In anatomy, a tegmen is a thin bony 'roof' over a body cavity, especially the middle ear, so the word tells you it is the bone that covers and protects that space.