WebApr 12, 2024 · Optic foramen (canal) – located at the apex, the opening to the optic foramen is bordered by the body of the sphenoid bone and the lesser wing of the sphenoid bone. It transmits the optic nerve and … WebOptic canal contents. The optic canals are openings in the lesser wings of the sphenoid bone just medial to the anterior clinoid processes. These contain the optic nerves and their dural sheaths. Each canal also transmits an ophthalmic artery, a branch off the intradural internal carotid artery. In the midline here is the pituitary gland ...
Chapter 1: Intro to Sectional Anatomy; Chapter 2: …
WebAug 29, 2024 · 4.2.5 Optic Canal. Transmits the optic nerve and ophthalmic artery. Bounded medially by the body of the sphenoid bone, superiorly by the superior root of the lesser wing of the sphenoid bone, inferolaterally by the optic strut (i.e., the inferior root of the lesser wing of the sphenoid bone), and laterally by the anterior clinoid process. Compared to the optic nerve, the ophthalmic artery is located inferolaterally within the canal. The left and right optic canals are 25mm apart posteriorly and 30mm apart anteriorly. The canals themselves are funnel-shaped (narrowest anteriorly). See more The optic foramen is the opening to the optic canal. The canal is located in the sphenoid bone; it is bounded medially by the body of the sphenoid and laterally by the lesser wing of the sphenoid. The superior surface … See more • The seven bones which articulate to form the orbit. • Sphenoid bone. Upper surface. • Medial wall of left orbit. See more • Foramina of skull • Ophryon See more • Anatomy photo:29:os-0501 at the SUNY Downstate Medical Center • Atlas image: eye_6 at the University of Michigan Health System - (look for #3) See more circle diner portsmouth
Bones of the orbit: Anatomy, foramina, walls and diagram …
WebThe optic canals are openings in the lesser wings of the sphenoid bone just medial to the anterior clinoid processes. These contain the optic nerves and their dural sheaths. Each … Weboptic canal: transmits optic nerve and ophthalmic artery tuberculum sellae: elevation anterior to sella turcica sella turcica: deep depression, pituitary fossa is deepest part middle clinoid processes: small prominences on anterior part of sella turcica dorsum sellae: plate of bone forming posterior boundary of sella turcica WebThe optic canal transmits the second cranial nerve - the optic nerve (CN II), and the ophthalmic artery. The paired superior orbital fissure also connects this fossa with the orbit. This opening transmits four cranial nerves - the oculomotor (CN III) , trochlear (CN IV) , ophthalmic (CN V1) and abducens (CN VI) nerves, the ophthalmic veins ... diameter of ferris wheel