From Embryology

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Fig. 708. Cerebellum, Pons and Fourth Ventricle

Scheme of roof of fourth ventricle. The arrow is in the foramen of Magendie (median aperture, drains cerebrospinal fluid from the 4th ventricle into the cisterna magna).

fourth ventricle (cavity of the hind-brain)

  • located in front of the cerebellum and behind the pons and upper half of the medulla oblongata.
  • Developmentally considered, the fourth ventricle consists of three parts
  1. superior - belonging to the isthmus rhombencephali.
  2. intermediate - to the metencephalon.
  3. inferior - to the myelencephalon.
  • lined by ciliated epithelium, and is continuous below with the central canal of the medulla oblongata above
  • communicates, by means of a passage termed the cerebral aqueduct, with the cavity of the third ventricle.
  • presents four angles
  • possesses a roof or dorsal wall, a floor or ventral wall, and lateral boundaries.

Cerebellum Images: Anatomical position | Upper surface | Projection fibres | Sagittal section | Transverse section folium | Cerebellum Development | Ventricular System

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Gray H. Anatomy of the human body. (1918) Philadelphia: Lea & Febiger.

Cite this page: Hill, M.A. (2024, May 23) Embryology Gray0708.jpg. Retrieved from

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current14:09, 7 December 2010Thumbnail for version as of 14:09, 7 December 2010650 × 417 (46 KB)S8600021 (talk | contribs)Scheme of roof of fourth ventricle. The arrow is in the foramen of Majendie. {{Template:Gray Anatomy}} Category:Neural