Inferior medullary velum
Inferior medullary velum | |
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Scheme of roof of fourth ventricle. The arrow is in the foramen of Majendie. 1: inferior medullary velum 2: Choroid plexus 3: Cerebellomedullary cistern of subarachnoid cavity 4: Central canal 5: Corpora quadrigemina 6: Cerebral peduncle 7: superior medullary velum 8: Ependymal lining of ventricle 9: Pontine cistern of subarachnoid cavity | |
Details | |
Identifiers | |
Latin | velum medullare inferius |
NeuroNames | 697 |
Anatomical terms of neuroanatomy [edit on Wikidata] |
The inferior medullary velum (posterior medullary velum) is a thin layer of white substance, prolonged from the white center of the cerebellum, above and on either side of the nodule; it forms the infero-posterior part of the fourth ventricle.
Somewhat semilunar in shape, its convex edge is continuous with the white substance of the cerebellum, while its thin concave margin is apparently free; in reality, however, it is continuous with the epithelium of the ventricle, which is prolonged downward from the posterior medullary velum to the taeniae.
See also
- Superior medullary velum
References
This article incorporates text in the public domain from page 794 of the 20th edition of Gray's Anatomy (1918)
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Anatomy of the cerebellum
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Medial/lateral |
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Deep cerebellar nuclei | |
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Cerebellar cortex |
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Internal |
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Peduncles |