Superior medullary velum

The superior (or anterior) medullary velum is a thin layer of tissue that is suspended between the superior cerebellar peduncles forming the roof of the fourth ventricle along with the inferior medullary velum. It is enclosed by pia mater dorsally and ependyma ventrally. The lingula of the vermis of the cerebellum overlies the superior medullary velum, and it is also the point where the trochlear nerve crosses.

Anatomy: Brain
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Article information

rID: 34492
Section: Anatomy
Synonyms or Alternate Spellings:
  • Anterior medullary velum

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