Greater wing of sphenoid | Radiology Reference Article - Radiopaedia.org
2021年8月2日 · The greater wing of the sphenoid features superior, lateral and orbital surfaces. The superior surface features: foramen rotundum: transmits the maxillary branch of the trigeminal nerve; foramen ovale: transmits the mandibular division of the trigeminal nerve, accessory meningeal artery and (occasionally) the lesser petrosal nerve
Sphenoid Bone - Location - Structure - Function
2024年1月3日 · The medial border of the optic canal is formed by the body of the sphenoid. There is a ‘slit-like’ gap between the lesser and greater wings of the sphenoid – the superior orbital fissure. Numerous structures pass through here to reach the bony orbit. Pterygoid Process
Sphenoid bone - Wikipedia
It is situated in the middle of the skull towards the front, in front of the basilar part of the occipital bone. The sphenoid bone is one of the seven bones that articulate to form the orbit. Its shape somewhat resembles that of a butterfly, bat or wasp with its wings extended.
Greater wing of sphenoid bone - Wikipedia
The orbital surface of the great wing [Fig. 2], smooth, and quadrilateral in shape, is directed forward and medially and forms the posterior part of the lateral wall of the orbit. Its upper serrated edge articulates with the orbital plate of the frontal bone.
Orbital Surface of Greater Wing (Left) | Complete Anatomy
On its corresponding side, each orbital surface: —is located lateral to a superior orbital fissure and superior to an inferior orbital fissure; —contributes to the formation of the lateral wall of an orbit. Discover the crucial role of orbital surfaces in the structure of the sphenoid bone.
Sphenoid Bone – Anatomy, Structure, Location, Function
2021年4月27日 · Orbital Surface Forms the posterior wall of the orbit’s lateral wall. It has a small tubercle on its medial border for the attachment of a common tendinous ring for the origin of the recti muscles of the eyeball.
Sphenoid Bone – Location, Function, Anatomy, & Labeled Diagram
2022年4月18日 · There is a slit or gap between the sphenoid body, lesser, and greater wings, known as the superior orbital fissure. This gap allows passage to several nerves and blood vessels of the bony orbit. These vessels include the trochlear, abducent, and oculomotor nerves, the ophthalmic nerve and its branches, and the superior ophthalmic vein.
Anatomy, Head and Neck, Orbit Bones - StatPearls - NCBI Bookshelf
2023年7月24日 · Walls of the Orbit. The orbital roof consists of two parts of two bones, the orbital plate frontal bone and the lesser wing of the sphenoid bone. The fossa of the lacrimal gland is in the orbital roof, and it lies anteriorly and laterally behind the zygomatic process of the frontal bone.
Sphenoid bone anatomy, function, parts & sphenoid bone fracture
The orbital surface features: inferior margin: forms postero-lateral boundary of the inferior orbital fissure; medial margin:forms lower boundary of the superior orbital fissure. a tubercle at its centers serves as an attachment to the inferior head of the lateral rectus muscle.
Sphenoid Bone - Earth's Lab
2018年8月8日 · Anterior (orbital) surface: It is located at the lateral wall of the orbit and divides the superior orbital fissure from the inferior orbital fissure. Clinical Significance The craniopharyngeal canal sometimes exists in the floor of the pituitary fossa.