Which cranial nerve is primarily responsible for innervating the majority of extraocular muscles?
Understand the Problem
The question is asking about the specific cranial nerve that is mainly responsible for controlling most of the muscles that move the eyes. This requires knowledge of anatomy and the functions of cranial nerves.
Answer
Oculomotor nerve (Cranial Nerve III).
The cranial nerve responsible for innervating the majority of the extraocular muscles is the oculomotor nerve (Cranial Nerve III).
Answer for screen readers
The cranial nerve responsible for innervating the majority of the extraocular muscles is the oculomotor nerve (Cranial Nerve III).
More Information
The oculomotor nerve innervates most of the extraocular muscles, including the superior, inferior, and medial recti, and the inferior oblique. It is crucial for eye movements.
Tips
Confusing the oculomotor nerve with other cranial nerves like the trochlear (CN IV) and abducens (CN VI) which also innervate eye muscles.
Sources
- The Oculomotor Nerve (CN III) - Course - Motor - teachmeanatomy.info
- Anatomy, Head and Neck: Eye Medial Rectus Muscles - NCBI - ncbi.nlm.nih.gov
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