Superior medullary velum



superior medullary velum n.
The thin layer of white matter stretching between the two superior cerebellar peduncles, forming part of the roof of the fourth ventricle.

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  • Superior oblique muscle

    superior oblique muscle n. A muscle with origin above the medial margin of the optic canal, with insertion by a tendon passing through the trochlea to the sclera between the superior rectus and lateral rectus muscles, with nerve supply from the trochlear nerve, and whose action directs the pupil of the eye downward and outward.



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