countercurrent
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countercurrent /coun·ter·cur·rent/ (-kur″ent) flowing in an opposite direction.

countercurrent,

a change in the direction of flow of a fluid. An example is the countercurrent in the ascending branch of a kidney tubule where osmolality undergoes a reversal after a gradual change in sodium chloride concentrations.

countercurrent [kown´ter-ker″ent]

flowing in an opposite direction.

countercurrent

flowing in an opposite direction.

countercurrent exchanger

a countercurrent system in which transport between the inflow and the outflow is passive.

countercurrent multiplier

a mechanism that enables a membrane to absorb much more solute than water so that the residual fluid has a lower osmotic pressure. The classical example of this phenomenon is the loop of Henle in the kidney. Called also countercurrent multiplier mechanism or system.

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countercurrent (redirected from Counter-current)

countercurrent
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