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inferior medullary velum


Definition: a thin sheet of white matter, hidden by the cerebellar tonsil, attached along the peduncle of the flocculus and, at or near the midline, to the nodulus of the vermis; it is continuous caudally with the epithelial lamina and choroid plexus of the fourth ventricle.

Synonym(s): velum medullare inferiusTA, posterior medullary velum, Tarin valve, valvula semilunaris tarini, velum semilunare, velum tarini

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.