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12 lip 2023 · The trochlear (CN IV) and abducens (CN VI) nerves innervate the extraocular muscles that are responsible for positioning the eyeballs. The positioning ensures that the eyes can focus on a visual target.
- Trochlear Nerves
The trochlear nerve is the fourth paired cranial nerve (CN...
- Trochlear Nerves
30 paź 2023 · The trochlear nerve is the fourth paired cranial nerve (CN IV). Along with the oculomotor nerve (CN III) and the abducens nerve (CN VI), it is responsible for controlling movement of the eyeball.
Luckily, we do have control over our eye movements, and the cranial nerves which innervate the extrinsic ocular muscles that move the eyeball are the oculomotor, trochlear, and abducens nerve - or cranial nerves III, IV and VI.
30 paź 2023 · The oculomotor, trochlear, abducens, accessory, and hypoglossal are motor cranial nerves that are responsible for the motor functions in the head and neck.
The trochlear nerve exits the midbrain dorsally and crosses the contralateral fourth nerve in the anterior medullary velum just caudal to the inferior colliculi. The fourth nerve is the only cranial nerve to exit the brain dorsally.
15 paź 2024 · Cranial nerve palsies involving the oculomotor (CN III), trochlear (CN IV) and abducens (CN VI) nerves present significant challenges in diagnosis and management due to their varied etiologies and clinical manifestations.
13 mar 2019 · The abducens nerve is the sixth paired cranial nerve. It has a purely somatic motor function – providing innervation to the lateral rectus muscle. In this article, we shall look at the anatomy of the abducens nerve – its anatomical course, motor functions and clinical relevance.
