WebIn each eye, the superior oblique muscle functions as the trochlea. The trochlear nerve innervates this muscle to lift the eyes so you can look down. The nerve also enables you to move your eyes toward your nose or away from it. Anatomy What is the anatomy of the trochlear nerve? WebDec 21, 2024 · Superior branch – provides motor innervation to the superior rectus and levator palpabrae superioris. Sympathetic fibres run with the superior branch to innervate the superior tarsal muscle. Inferior branch – provides motor innervation to the inferior rectus, medial rectus and inferior oblique.
Inferior Oblique Muscle - an overview ScienceDirect Topics
WebJan 30, 2024 · Innervation. Superior oblique is the only extraocular muscle that receives its innervation through the trochlear nerve (CN IV). Trochlear nerve is the only cranial nerve that emerges from the posterior aspect of the brainstem. It takes a fairly long path through the … There are three types of muscles. They are the: Skeletal muscles, which move bones … Posterior ethmoidal foramen – also found at the junction between the superior and … The pterygoid processes are extensions of the basal surface of the sphenoid body. … The superior oblique muscle will slightly depress your right eye, while the inferior … The oculomotor nerve is the third cranial nerve (CN III), and one instance in which … The frontal bone is a shell-shaped, unpaired, flat bone of the skull located in the … Superior oblique: Origin - body of sphenoid bone Insertion - superolateral aspect of … Eyeball (Bulbus oculi) The eye is a highly specialized sensory organ located within … WebOct 13, 2024 · The superior oblique is innervated by cranial nerve IV (trochlear), while the lateral rectus is innervated by cranial nerve VI (abducens). [5] Muscles Each of the rectus muscles originates posteriorly … no way out dateline
Superior oblique muscle - Wikipedia
WebDec 27, 2024 · Summary. innervation: trochlear nerve (CN IV) origin: lesser wing of sphenoid bone adjacent to the annulus of Zinn. course: tendon passes through the cartilaginous … WebJul 9, 2024 · The superior oblique muscle is connected to the superior rectus muscle by a frenulum of the intermuscular septum. Inferior Oblique The inferior oblique muscle has the shortest tendon of all the extraocular … WebDec 22, 2024 · Superior Oblique Attachments: Originates from the body of the sphenoid bone. Its tendon passes through a trochlea and then attaches to the sclera of the eye, posterior to the superior rectus. Actions: … nick stenson net worth