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The fourth ventricle extends from the cerebral aqueduct (aqueduct of Sylvius) to the obex, and is filled with cerebrospinal fluid (CSF). The fourth ventricle has a characteristic diamond shape in cross-sections of the human brain. It is located within the pons or in the upper part of the medulla oblongata. CSF entering the fourth ventricle ...
Diagram showing where the ventricles are in the brain. Date: 30 July 2014 (released by CRUK) Source: Original email from CRUK: Author: Cancer Research UK: Permission (Reusing this file) This image has been released as part of an open knowledge project by Cancer Research UK. If re-used, attribute to Cancer Research UK / Wikimedia Commons
The fourth ventricle is the lower blue mass. The little points sticking out on the left and right are the two parts of the lateral recess. The lateral recess or lateral recess of fourth ventricle , is a projection of the fourth ventricle which extends to the lateral border of the brainstem at the pontomedullary junction .
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: Prepontine cistern of subarachnoid cavity
Diagram depicting the main subdivisions of the embryonic vertebrate brain. These regions will later differentiate into forebrain , midbrain and hindbrain structures. Scheme of the roof of the fourth ventricle.
In neuroanatomy, the ventricular system is a set of four interconnected cavities known as cerebral ventricles in the brain. [1] [2] Within each ventricle is a region of choroid plexus which produces the circulating cerebrospinal fluid (CSF). The ventricular system is continuous with the central canal of the spinal cord from the fourth ventricle ...
The upper portion of the roof is formed by the cerebellum. The roof of ventricle is diamond shaped and can be divided into superior and inferior parts. The superior part or cranial part is formed by superior cerebellar peduncles and superior medullary velum. The inferior or caudal part is formed by ventricular ependyma and double fold of pia mater.
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