Lectures

Ventricular System: Ventricles and Communication

by Craig Canby, PhD
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    Welcome to this presentation on the ventricular system. The ventricular system is a series of fluid-filled cavities that are found in the brain. These cavities do communicate with one another. This ventricular system is in communication with the spinal cord as well. So let’s take a look at our first slide. What I want you to understand from this slide is that the fluid-filled cavities in the brain and the fluid is cerebrospinal fluid are termed ventricles. So what are the ventricles then that contain the cerebrospinal fluid? The first to point out to you are the large, paired lateral ventricles. You can see the various components of the lateral ventricle in this particular view. It will wrap around and curve into the temporal lobe. This extension of the lateral ventricle projects toward the occipital lobe. The next ventricular component is a single third ventricle which we see here. This has an anatomic relationship with the diencephalon. Then your last component is the fourth ventricle that we see down in through here. It has a relationship with the brainstem lying anterior to it and then a cerebellum that lies posterior to it. These fluid-filled ventricles communicate with one another and that allows the movement or circulation of the cerebrospinal fluid from one filled cavity to another. So the components that allow for this communication then are firstly is that the lateral ventricles, each one will communicate with the third ventricle via this communication here. This is referred to as an interventricular foramen. So there will be one on the left side as we see here. There will be another interventricular foramen from the right lateral ventricle that would also then communicate with the third ventricle. From the third ventricle to the fourth ventricle, there is yet another opening or form...

    About the Lecture

    The lecture Ventricular System: Ventricles and Communication by Craig Canby, PhD is from the course Ventricular System.


    Included Quiz Questions

    1. Interventricular foramen
    2. Right cerebral aqueduct
    3. Left cerebral aqueduct
    4. Foramen luschka
    5. Foramen magendie
    1. Central canal
    2. Lateral aperture
    3. Interventricular foramen
    4. Cerebral aqueduct
    5. Medial aperture
    1. It has brain stem lying anterior to it and cerebellum lying posterior to it.
    2. It communicates with lateral ventricles via interventricular foramen.
    3. It has brain stem lying posterior to it and cerebellum lying anterior to it.
    4. It communicates with spinal cord via cerebral aqueduct.
    5. It has an anatomical correlation with diencephalon.
    1. Lateral apertures
    2. Central canal
    3. Foramen magnum
    4. Cerebral aqueduct
    5. Superior orbital fissure

    Author of lecture Ventricular System: Ventricles and Communication

     Craig Canby, PhD

    Craig Canby, PhD


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