Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
The hypophyseal fossa, also known as the pituitary fossa, is a depression in the sphenoid bone of the skull that houses the pituitary gland. It is located within the sella turcica, a bony structure at the base of the brain.
An endocrine gland about the size of a pea located in the hypophyseal fossa, responsible for hormone production and regulation.
Sella Turcica: A saddle-shaped area on the upper surface of the sphenoid bone that encompasses and protects the pituitary gland within its hypophyseal fossa