The partition that separates the two lateral ventricles is called the: a. wall of Sylvius b....

The partition that separates the two lateral ventricles is called the:

a.
wall of Sylvius

b.
septum of Monro

c.
septum pellucidum

d.
septum ventriculus

Expert Solution

Correct option is C. Septum pellicidum.

The two lateral ventricles, one in each cerebral hemisphere, form the largest component of the ventricular system. They occupy a considerable part of the cerebral hemisphere and are separated from each other by the septum pellucidum, extending between the corpus callosum and the fornix. The 3rd ventricle is a narrow slit-like cavity of the diencephalon. The two lateral ventricles are connected with the 3rd ventricle via the interventricular foramina (of Monro). The 3rd ventricle communicates via the cerebral aqueduct of midbrain with the 4th ventricle, a cavity within the hindbrain.
The 4th ventricle in turn is continuous with the central canal of the spinal cord. The central canal has a small dilatation at its inferior end, the terminal ventricle.
The cerebrospinal fluid (CSF) is formed in the ventricles
by the choroid plexuses and passes through apertures in the roof of 4th ventricle into the subarachnoid space around the brain and spinal cord.

Sydney Mullin answered 1 year ago

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