telencephalon

(noun)

The anterior part of the forebrain; the endbrain.

Related Terms

  • diencephalon
  • metencephalon

Examples of telencephalon in the following topics:

  • Development of the Central Nervous System

    • At six weeks in human embryo development, the prosencephalon divides further into the telencephalon and diencephalon and the rhombencephalon divides into the metencephalon and myelencephalon.
    • The telencephalon differentiates into, among other things, the striatum, the hippocampus, and the neocortex, and its cavity becomes the first and second ventricles.
  • Functions of the Diencephalon

    • In development, the forebrain develops from the prosencephalon, the most anterior vesicle of the neural tube that later forms both the diencephalon and the telencephalon.
    • The subthalamus connects to the globus pallidus, a basal nucleus of the telencephalon.
  • Cerebral Lobes

    • The telencephalon (cerebrum), the largest portion of the human brain, is divided into lobes like the cerebellum.
    • If not specified, the expression "lobes of the brain" refers to the telencephalon.
    • There are four uncontested lobes of the telencephalon:
  • Midbrain

    • It does not split into other brain areas while the prosencephalon, for example, divides into the telencephalon and the diencephalon.
  • Embryonic Development

    • The prosencephalon further goes on to develop into the telencephalon (the forebrain or cerebrum) and the diencephalon (the optic vesicles and hypothalamus).
  • Embryonic Development of the Brain

    • In the fifth week, the alar plate of the prosencephalon expands to form the cerebral hemispheres (the telencephalon).
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