tuberculum sellae

{{Infobox anatomy

| Name = Tuberculum sellae

| Latin =

| Image = Gray145.png

| Caption = Sphenoid bone. Upper surface. (Tuberculum sellae visible at center.)

| Image2 = Gray193.png

| Caption2 = 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.)

| System =

}}

The tuberculum sellae (or the tubercle of the sella turcica) is a slight{{Cite web |title=Tuberculum sellæ |url=https://medical-dictionary.thefreedictionary.com/Tuberculum+sell%c3%a6 |access-date=2023-08-01 |website=TheFreeDictionary.com |language=en}} median elevation upon the superior aspect of the body of sphenoid bone (that forms the floor of the middle cranial fossa{{Rp|page=508-509}}) at the anterior boundary of the sella turcica (hypophyseal (pituitary) fossa){{Rp|page=509}} and posterior boundary of the chiasmatic groove.{{Cite web |title=chiasmatic sulcus |url=https://medical-dictionary.thefreedictionary.com/chiasmatic+sulcus |access-date=2023-08-01 |website=TheFreeDictionary.com |language=en}}{{Rp|page=509}} A middle clinoid process flanks the tuberculum sellae on either side.{{Cite book |last=Sinnatamby |first=Chummy S. |title=Last's Anatomy |vauthors= |publisher= |year=2011 |isbn=978-0-7295-3752-0 |edition=12th |pages=}}{{Rp|page=509}}