diaphragma sellae

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di·a·phrag·ma sel·'lae

[TA]
a fold of dura mater extending transversely across the sella turcica and roofing over the hypophyseal fossa; it is perforated in its center for the passage of the infundibulum.

diaphragma sellae

di·a·phrag·ma sel·lae

(dī-ă-frag'mă sel'ē) [TA]
A fold of dura mater extending transversely across the sella turcica and roofing over the hypophysial fossa; it is perforated in its center for the passage of the infundibulum.
Synonym(s): diaphragm of sella turcica.

diaphragma sellae

a sheet of dura separating the pituitary gland in its fossa from the brain above.
References in periodicals archive ?
A dural extension defines the superior margin, the diaphragma sella.
The "empty sella" appearance is due to the patulous diaphragma sella and extension of the suprasellar subarachnoid space.
Alternatively, a diverticulum that forms within the arachnoidal layers progressively enlarges; this may develop beneath the diaphragma sella or invaginate through it.