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The septum pellucidum acts as a partition between a portion of the lateral ventricles, forming part of the walls of the anterior region of the lateral ventricles. It is made up of a thin two-layered structure that consists of white matter, some neurons, fiber bundles, and blood vessels.Click to see full answer. Similarly, it is asked, what does absence of septum pellucidum mean?The absence of the septum pellucidum is a rare condition that affects the structure of the brain. Specifically, a thin membrane called the septum pellucidum is missing from its normal position in the middle of the brain. Diagnosis of absence of the septum pellucidum can be made through imaging such as an MRI.One may also ask, what fluid filled spaces does the septum pellucidum divide? The septum pellucidum (Latin for “translucent wall”) is a thin, triangular, vertical double membrane separating the anterior horns of the left and right lateral ventricles of the brain. Also know, what does cavum septum pellucidum do? In post-natal life, the laminae of the septum pellucidum usually fuse, which obliterates the cavum. The cavity contains cerebrospinal fluid (CSF) that filters from the ventricles through the septal laminae.What is CSP in fetus?Cavum septi pellucidi (CSP) is an important landmark in the prenatal ultrasound evaluation of the fetal brain, and is a marker for normal central forebrain development. Examination of the fetal brain by MRI can confirm the sonographic findings and evaluate for associated anomalies.

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