The telencephalon is a secondary brain vesicle that ultimately becomes the brain structure that contains the lateral ventricles
The telencephalon is the anterior section of the brain, often known as the cerebrum, while the diencephalon is the part of the brain located between the telencephalon and the midbrain. The cerebrum, cerebellum, and medulla oblongata make up the brain.
The telencephalon, often known as the cerebrum, is the biggest region of the brain (it makes up about 85 percent of the total weight of the brain).
The term telencephalon is derived from two Greek roots: telos, which means "end," and enkephalos, which means "brain." So, telencephalon literally means "endbrain," and it is in two ways. First, in the human embryo, the telencephalon is the final compartment of the brain to develop.
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