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septum pellucidum
septum pellucidum The septum pellucidum is a thin, two-layered triangular membrane in the middle of the brain that separates the front parts of the lateral ventricles.
The septum pellucidum is a thin, two-layered triangular membrane in the middle of the brain that separates the front parts of the lateral ventricles. It lies in the median plane between the corpus callosum and the body and columns of the fornix.