The dorsum sellae is part of the sphenoid bone in the skull. Together with the basilar part of the occipital bone it forms the clivus.

2020年12月28日 · The dorsum sellae is the square shaped process of the sphenoid bone. It ascends superiorly from the posterior part of the sphenoid body to form the posterior wall of the sella turcica. Gross anatomy Relations. The dorsum sellae forms the posterior wall of the sella turcica, which houses the pituitary gland.

2024年1月3日 · The anterior clinoid processes arise from the sphenoidal lesser wings, while the posterior clinoid processes are the superolateral projections of the dorsum sellae. They serve as attachment points for the tentorium cerebelli, a membranous sheet that divides the brain.

2023年10月30日 · Superiorly the body forms the sella turcica, the hypophyseal fossa and the dorsum sellae. The sphenoidal sinuses are located in the sphenoid body behind the nasal cavity and divided by a septum. They contain the anterior and posterior clinoid processes respectively.

2024年5月21日 · The dorsum sellae (back of the saddle) forms the posterior wall of the sella turcica. It is a large square of bone, pointing upwards and forwards. It separates the middle cranial fossa from the posterior cranial fossa.

The posterior boundary of the superior surface of sphenoid bone is formed by a square-shaped plate of bone, the dorsum sellæ.

2024年7月30日 · The Towne view is an angled anteroposterior radiograph of the skull and visualizes the petrous part of the pyramids, the dorsum sellae and the posterior clinoid processes, which are visible in the shadow of the foramen magnum.