Median aperture

Median aperture

Scheme of roof of fourth ventricle. The arrow is in the median aperture.
Details
Identifiers
Latin apertura mediana ventriculi quarti
NeuroNames hier-638
Dorlands
/Elsevier		 a_51/12144687
TA A14.1.05.722

Anatomical terms of neuroanatomy

The median aperture (also known as the medial aperture, and foramen of Magendie) drains cerebrospinal fluid (CSF) from the fourth ventricle into the cisterna magna. The two other openings of the fourth ventricle are the lateral apertures (also called the foramina of Luschka), one on the left and one on the right, which drain cerebrospinal fluid into the cerebellopontine angle cistern. The median foramen on axial images is posterior to the pons and anterior to the caudal cerebellum. It is surrounded by the obex and gracile tubercles of the medulla, tela choroidea of the fourth ventricle and its choroid plexus, which is attached to the cerebellar vermis.[1]

Eponym

The foramen of Magendie is named for François Magendie, who first described it.[2]

Additional images

References

  1. ↑ Ciolkowski M.; Sharifi M.; Tarka S.; Ciszek B. (2011). "Median aperture of the fourth ventricle revisited.". Folia Morphol. (70(2)): 84–90. PMID 21630228.
  2. ↑ synd/2388 at Who Named It?
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