countercurrent multiplication

countercurrent multiplication
the mechanism in the loops of Henle of the renal tubules by which urine is concentrated; it is dependent upon unique solute transport processes at different parts of the loops of Henle and the vasa recta.

Medical dictionary. 2011.

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  • Countercurrent multiplication — A countercurrent multiplier system is a mechanism that expends energy to create a concentration gradient. It is found widely in nature and especially in mamalian organs. For example, it can refer to the process underlying the process of urine… …   Wikipedia

  • countercurrent mechanism — countercurrent multiplication mechanism see under multiplication …   Medical dictionary

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  • renal system — ▪ anatomy Introduction  in humans (human body), organ system that includes the kidneys, where urine is produced, and the ureters, bladder, and urethra for the passage, storage, and voiding of urine.       In many respects the human excretory, or… …   Universalium

  • analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

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