You know what it looks like… but what is it called?
TAKE THE QUIZ“Westphal nucleus”
We have one entry that includes the term Westphal nucleus.
Edinger-Westphal nucleus
noun: the lateral portion of the group of nerve cells lying ventral to the aqueduct of Sylvius which give rise to the autonomic fibers of the oculomotor nerve supplying the ciliary muscle and the sphincter pupillae
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Merriam-Webster unabridged