Development
The lateral ventricles, similarly to other parts of the ventricular system of the brain, develop from the central canal of the neural tube. Specifically, the lateral ventricles originate from the portion of the tube that is present in the developing prosencephalon, and subsequently in the developing telencephalon. During the first trimester of pregnancy the central canal expands into lateral, third and fourth ventricles, connected by thinner channels. In the lateral ventricles, specialized areas - choroid plexuses - appear, which produce cerebrospinal fluid. If its production is bigger than reabsorption or its circulation is blocked- the enlargement of the ventricles may appear and cause a hydrocephalus. Fetal lateral ventricles may be diagnosed using linear or planar measurements.
Read more about this topic: Lateral Ventricles
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