The three processes contributing to the exchange of signaling molecules between the CSF and the CNS include: diffusion via perivascular pumping, selective uptake and release by neuronal structures, and

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Quizplus · Accepted Answer

Diffusion over short distances is a process that allows signaling molecules to move between the CSF and CNS, complementing perivascular pumping and selective uptake/release by neurons.

The Three Processes Contributing to the Exchange of Signaling Molecules