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You are trying to explain the ventricular system of the brain to your younger sister. You tell her the following: Cerebrospinal fluid (CSF) is formed as a filtrate of blood at the level of a choroid plexus. It passes through ependymal cells to the space between the arachnid mater and pia mater. Once it has traveled around the periphery of the brain within this space between those two meninges, the CSF then accumulates in the third ventricle. Once there, it passes to the fourth ventricle via the cerebral aqueduct and then travels via the central canal to the spinal cord. It is finally reabsorbed by the arachnoid granulations. The cerebrospinal fluid is turned over about three times every 24 hours. What error did you make in this description? Practice The CSF travels from the third ventricle to the fourth ventricle via the cerebral aqueduct When being formed it has to pass through ependymal cells

You are trying to explain the ventricular system of the brain to your younger sister. You tell her the following: Cerebrospinal fluid (CSF) is formed as a filtrate of blood at the level of a choroid plexus. It passes through ependymal cells to the space between the arachnid mater and pia mater. Once it has traveled around the periphery of the brain within this space between those two meninges, the CSF then accumulates in the third ventricle. Once there, it passes to the fourth ventricle via the cerebral aqueduct and then travels via the central canal to the spinal cord. It is finally reabsorbed by the arachnoid granulations. The cerebrospinal fluid is turned over about three times every 24 hours. What error did you make in this description? Practice The CSF travels from the third ventricle to the fourth ventricle via the cerebral aqueduct When being formed it has to pass through ependymal cells

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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You are trying to explain the ventricular system of the brain to your younger sister. You tell her the following: Cerebrospinal fluid (CSF) is formed as a filtrate of blood at the level of a choroid plexus. It passes through ependymal cells to the space between the arachnid mater and pia mater. Once it has traveled around the periphery of the brain within this space between those two meninges, the CSF then accumulates in the third ventricle. Once there, it passes to the fourth ventricle via the cerebral aqueduct and then travels via the central canal to the spinal cord. It is finally reabsorbed by the arachnoid granulations. The cerebrospinal fluid is turned over about three times every 24 hours. What error did you make in this description? Practice g• 6S: The CSF travels from the third ventricle to the fourth ventricle via the cerebral aqueduct When being formed it has to pass through ependymal cells The CSF is reabsorbed by arachnoid granulations The CSF travels from the subarachnoid space to the third ventricle The CSF is turned over about three times in a 24-hour period
Transcribed Image Text:You are trying to explain the ventricular system of the brain to your younger sister. You tell her the following: Cerebrospinal fluid (CSF) is formed as a filtrate of blood at the level of a choroid plexus. It passes through ependymal cells to the space between the arachnid mater and pia mater. Once it has traveled around the periphery of the brain within this space between those two meninges, the CSF then accumulates in the third ventricle. Once there, it passes to the fourth ventricle via the cerebral aqueduct and then travels via the central canal to the spinal cord. It is finally reabsorbed by the arachnoid granulations. The cerebrospinal fluid is turned over about three times every 24 hours. What error did you make in this description? Practice g• 6S: The CSF travels from the third ventricle to the fourth ventricle via the cerebral aqueduct When being formed it has to pass through ependymal cells The CSF is reabsorbed by arachnoid granulations The CSF travels from the subarachnoid space to the third ventricle The CSF is turned over about three times in a 24-hour period
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