Tuberculum sellae

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Tuberculum sellae
Gray145.png
Sphenoid bone. Upper surface. (Tuberculum sellae visible at center.)
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Base of the skull. Upper surface. (Sphenoid bone visible in yellow, the tuberculum sellae is labeled at the right, fourth from the top of the yellow section.)
Gray's p.147
Anatomical terminology

In the sphenoid bone, behind the chiasmatic groove is an elevation, the tuberculum sellae (or the tubercle of sella turcica). A variable slight to prominent median elevation forming the posterior boundary of the prechiasmatic sulcus and the anterior boundary of the hypophysial fossa.

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This article incorporates text from a public domain edition of Gray's Anatomy.