Cerebellum (Nursing)

by Jasmine Clark

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    00:01 So the next structure in the brain is going to be the cerebellum.

    00:05 Recall that the cerebellum occupies the inferior and posterior aspect of the cranial cavity.

    00:13 The cerebellum, like the cerebrum which we'll talk about shortly, has 2 hemispheres that are separated by an enlargement known as the central vermis.

    00:25 The cerebellum is going to govern subconscious muscle movements.

    00:31 So for example, when you go for a walk, you may not even realize but your arms swing back and forth as you're walking.

    00:41 These are subconscious muscle movements that you're not actively thinking about as you're walking but they involve your voluntary skeletal muscles.

    00:52 In the cerebellum, there are 3 peduncles.

    00:56 We have the superior, inferior, and middle peduncles.

    01:01 These are important for attachment of the cerebellum to the brainstem.

    01:07 Also in the cerebellum, we have the flocculonodular lobe.

    01:13 This lobe is important for helping the body maintain equilibrium and balance.

    01:20 The cerebellum can be further divided into its gray and its white matter.

    01:28 The cerebellar cortex or the outside of the cerebellum, is made up of gray matter.

    01:35 The inner portion of the cerebellum is made up of white matter and as I said earlier, is referred to as the arbor vitae because of its tree-like shape.

    01:48 The functions of the cerebellum include coordination of skeletal muscle contractions and also in maintaining normal muscle tone which allows for our muscles to always kind of have a little bit of contraction so they're not flaccid which is important for things like posture and being able to stand or sit up straight and also for balance.

    About the Lecture

    The lecture Cerebellum (Nursing) by Jasmine Clark is from the course Brain and Cranial Nerves – Physiology (Nursing).

    Included Quiz Questions

    1. Cerebellum
    2. Cerebrum
    3. Ventricles
    4. Brain stem

    Author of lecture Cerebellum (Nursing)

     Jasmine Clark

    Jasmine Clark

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