WebDec 15, 2024 · They each emerge separately from the brain stem, which is the lower part of the brain that links the brain with the spinal cord. Each cranial nerve has a specific set of functions. Some of the cranial nerves control sensation, some control muscle movement, and some have both sensory and motor effects. Several of the cranial nerves run through ... WebThe trochlear nerve is the fourth Cranial Nerve (CNIV) with the longest intracranial course, but also the thinnest[1]. It has a general somatic efferent (somatic motor) nerve, which innervates a single muscle (superior oblique muscle) on the contralateral side of its origin. [2]
The Trochlear Nerve (CN IV) - Course - Motor
WebFeb 7, 2024 · Your cranial nerves are pairs of nerves that connect your brain to different parts of your head, neck, and trunk. There are 12 of them, each named for its function or … Webis also called the trigeminal nerve. is a mixed nerve. consists of three branches. all of the above. all of the above. Testing motor functions by smiling, raising the eyebrows, and … here club west hollywood
Trochlear Nerve - Physiopedia
WebSep 1, 2024 · The trochlear nerve carries the motor innervation of the superior oblique muscles of the eye. The 12 Cranial Nerves: Overview and Functions ( CN IV ) The remaining extraocular muscles are innervated by the oculomotor nerve Oculomotor nerve The 3D … WebTrochlear nerve. Trochlear nerve is a fourth cranial nerve (CN IV) that carries motor fibers to innervate the superior oblique muscle, an extra-ocular muscle in the orbit 1), that … The trochlear nerve , (lit. pulley-like nerve) also known as the fourth cranial nerve, cranial nerve IV, or CN IV, is a cranial nerve that innervates a single muscle - the superior oblique muscle of the eye (which operates through the pulley-like trochlea). Unlike most other cranial nerves, the trochlear nerve is exclusively … See more The trochlear nerve provides motor innervation to the superior oblique muscle of the eye, a skeletal muscle; the trochlear nerve thus carries axons of general somatic efferent type. Course See more Vertical diplopia Injury to the trochlear nerve cause weakness of downward eye movement with consequent … See more • Blumenfeld H. Neuroanatomy Through Clinical Cases. Sinauer Associates, 2002 • Brodal A. Neurological Anatomy in Relation to Clinical Medicine, 3rd ed. Oxford University Press, 1981 • Brodal P. The Central Nervous System, 3rded. Oxford University … See more • hier-449 at NeuroNames • oph/697 at eMedicine - "Trochlear Nerve Palsy" • MedEd at Loyola See more Homologous trochlear nerves are found in all jawed vertebrates. The unique features of the trochlear nerve, including its dorsal exit from the brainstem and its contralateral innervation, are seen in the primitive brains of sharks. See more • Dura mater and its processes exposed by removing part of the right half of the skull, and the brain. • Hind- and mid-brains; postero-lateral view. • Dissection showing origins of right ocular muscles, and nerves entering by the superior orbital fissure. See more matthew henshaw nhs