Which cells line the ventricles and produce cerebrospinal fluid?

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Multiple Choice

Which cells line the ventricles and produce cerebrospinal fluid?

Explanation:
Ependymal cells line the ventricles and form the choroid plexus, where cerebrospinal fluid is produced. These glial cells are typically cuboidal to columnar and often have cilia to help circulate CSF through the ventricular system. Their role in producing CSF comes from the choroid plexus, a specialized arrangement with ependymal cells and capillaries that filters plasma to form CSF and helps regulate its composition. The other options don’t line the ventricles or produce CSF: oligodendrocytes create myelin in the CNS, Schwann cells create myelin in the PNS, and the retina is a distinct neural tissue of the eye.

Ependymal cells line the ventricles and form the choroid plexus, where cerebrospinal fluid is produced. These glial cells are typically cuboidal to columnar and often have cilia to help circulate CSF through the ventricular system. Their role in producing CSF comes from the choroid plexus, a specialized arrangement with ependymal cells and capillaries that filters plasma to form CSF and helps regulate its composition. The other options don’t line the ventricles or produce CSF: oligodendrocytes create myelin in the CNS, Schwann cells create myelin in the PNS, and the retina is a distinct neural tissue of the eye.

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