Structure
The diaphragma sellae is a meningeal cranial dural fold which covers the hypophyseal fossa and forms a roof over the pituitary gland.
Related parts of the anatomy
Anatomical Relations
The diaphragma sellae is a flat piece of dura mater extending from the tuberculum sellae posteriorly towards the dorsum sellae and posterior clinoid processes. It covers the hypophyseal fossa of the sella turcica with the exception of a small hole in the center, through which the infundibular stalk passes.
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Diaphragma Sellae
The Pacchionian foramen (foramen of diaphragma sellae) is an opening in the midline of the diaphragma sellae, through which the infundibulum passes.
