Superior medullary velum

Superior medullary velum

Coronal section of the pons, at its upper part. (Ant. med. velum labeled at center top.)

Anterior view of the cerebellum. (Ant. medullary velum labeled at center top.)
Details
Identifiers
Latin velum medullare superius
NeuroNames hier-588
NeuroLex ID Superior medullary velum
Dorlands
/Elsevier
v_05/12849304
TA A14.1.05.007
FMA 74508

Anatomical terms of neuroanatomy

The superior medullary velum (anterior medullary velum, valve of Vieussens) is a thin, transparent lamina of white matter, which stretches between the superior cerebellar peduncles; on the dorsal surface of its lower half the folia and lingula are prolonged.

It forms, together with the superior cerebellar peduncle, the roof of the upper part of the fourth ventricle; it is narrow above, where it passes beneath the facial colliculi, and broader below, where it is continuous with the white substance of the superior vermis.

A slightly elevated ridge, the fraenulum veli, descends upon its upper part from between the inferior colliculi, and on either side of this the trochlear nerve emerges.

Blood is supplied by branches from the superior cerebellar artery.

See also

Additional images

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

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