🔬 Biology · Neural Control and Coordination · NEET

Cerebrospinal fluid (CSF) is produced in:

Answer: Choroid plexus inside the ventricles.

A The cerebral cortex, by neurons lining its outer surface
B Choroid plexus inside the ventricles
C The cerebellum, through its dense layer of granule cells
D The spinal cord, by glial cells lining the central canal

Correct answer: B. Choroid plexus inside the ventricles

Explanation: CSF is produced by the choroid plexus in the brain ventricles. It circulates around brain and spinal cord, providing cushioning and nutrients.

Labeled diagram of a neuron showing dendrites, cell body (soma) with nucleus, axon, myelin sheath, Nodes of Ranvier, and axon terminals

Structure of a neuron. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.

Concept context

Brain, spinal cord, neurons, reflex arcs, and sense organs.

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Cerebrospinal fluid (CSF) is produced in:

Concept context

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