Pituitary fossa

The pituitary (hypophyseal) fossa or sella turcica is a midline, dural lined structure in the sphenoid bone, which houses the pituitary gland.

Gross anatomy

The anterior, inferior and posterior walls are bony, while the lateral walls and roof are formed by dural slings between the anterior and posterior clinoid processes. There is a fenestration in the roof of the pituitary fossa for the infundibulum. There are four parts to the pituitary fossa although some authors describe the sella synonymously with the fossa:


Variant anatomy

Head and neck anatomy
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Article information

rID: 32572
Section: Anatomy
Tag: craig
Synonyms or Alternate Spellings:
  • sella turcica
  • hypophyseal fossa
  • sella

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