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      • A mid-sagittal section slices the brain through the longitudinal fissure and separates the right hemisphere from the left. It also reveals more structures. In a mid-sagittal view, all four cortical lobes are visible.
      openbooks.lib.msu.edu/neuroscience/chapter/internal-brain-anatomy/
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  2. Aug 8, 2023 · The sagittal view of the midbrain reveals its two portions: tectum and tegmentum. The tectum is the region of the midbrain posterior to the cerebral aqueduct of Sylvius . It is composed of the two posterior bulges called the superior and inferior colliculi.

    • Lobes

      The motor cortex corresponds to the precentral gyrus of the...

    • Fourth Ventricles

      Choroid plexus of the fourth ventricle (sagittal view) The...

    • Midbrain

      It provides the passageway for the pathways traveling...

  3. Nov 3, 2023 · It provides the passageway for the pathways traveling between the cerebral cortex and spinal cord. This article will discuss the anatomy and function of the midbrain (mesencephalon). Contents. Gross anatomy. Anterior (ventral) surface. Posterior (dorsal) surface. Internal anatomy. Cerebral peduncles. Crus cerebri. Tegmentum (Pretectal area)

    • Medical Content
    • 26 min
  4. May 9, 2023 · The midbrain functions as a relay system, transmitting information necessary for vision and hearing. It also plays an important role in motor movement, pain, and the sleep/wake cycle. The midbrain, also called the mesencephalon, is a part of the central nervous system.

    • Colleen Doherty, MD
  5. May 26, 2023 · The midbrain is the smallest of the three regions of the brainstem, measuring around 2cm in length. As it ascends, the midbrain travels through the opening in the tentorium cerebelli. It can be divided into two main parts: Tectum – located posterior to the cerebral aqueduct. Paired cerebral peduncles – located anteriorly and laterally.

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  6. The major function of the cerebellum is coordination of motor activity, posture, and equilibrium. From the midsagittal surface, the most visible feature of the cerebellum is the cerebellar cortex, a continuous layered sheet of cells folded into ridges and valleys called folia.

    • Dale Purves, George J Augustine, David Fitzpatrick, Lawrence C Katz, Anthony-Samuel LaMantia, James ...
    • 2001
    • 2001
  7. midbrain, region of the developing vertebrate brain that is composed of the tectum and tegmentum. The midbrain serves important functions in motor movement, particularly movements of the eye, and in auditory and visual processing.

  8. Sagittal view of the brainstem showing corticopontine fibers relaying motor signals to the pontine nuclei, which then communicate with the cerebellum via the middle cerebellar peduncle.

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