Which of the labeled structures in the diagram is the site of reabsorption of the cerebrospinal fluid back into the bloodstream? 
Definitions:
College Basketball
An organized sport involving basketball teams from colleges and universities, often as part of a competitive league or association.
Regular Season
The portion of the sports season during which teams compete for positioning in the playoffs or championship, prior to any post-season games.
Hypothesis
A proposed explanation for a phenomenon, made as a starting point for further investigation, which can be tested through experimentation or observation.
Assumptions
Premises or conditions accepted as true without proof, used as the basis for further reasoning or argument.
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