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. 2013 Jan;141(1):119–132. doi: 10.1085/jgp.201210883

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© 2013 Jin et al.

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Figure 1. — Model of K⁺ and water transport in brain ECS. (A) Diagram showing neurons and astrocytes in brain surrounded by an ECS. (B) Schematic of mathematical model. Neuronal, ECS, and astrocytic compartments are shown, along with key transport mechanisms including neuronal K⁺ release (J_Kⁿ), K⁺ uptake by astrocytes (J_K^a), and osmotic water transport into astrocytes (J_V^a).