The Brain

The Brain

Author: Aaron Mullally

This lesson will investigate the location and function of the 3 main regions of the brain .

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Terms to Know
  • Blood-brain-barrier

    A barrier created by a glial cell called astrocytes; the blood-brain-barrier only allows a small amount of materials from the blood to enter the inside of the brain; plays a role in protecting neurons and creating a stable environment inside of the brain.

  • Cerebral spinal fluid

    A fluid similar to plasma that is created by the brain; it washes the internal brain of metabolic waste and plays a minor role in cushioning the brain.

  • Forebrain

    The largest part of the brain that consists of the cerebral hemispheres and all of the structures contained within them.

  • Hindbrain

    The area of the brain that consists of the cerebellum, pons, and medulla oblongata.

  • Meninges

    The protective connective tissue found on the outside of the brain and spinal cord; consists of three layers: dura mater, arachnoid mater, pia mater.

  • Midbrain

    The area of the brain that connects the hindbrain to the forebrain; also the top structure of the brain stem.