Medical dictionary. 2011.
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
Countercurrent exchange — Counter heat current exchange: Note the gradually declining differential and that the once hot and cold streams exit at the reversed temperature difference; the hotter entering stream becomes the exiting cooler stream and vice versa.… … Wikipedia
countercurrent — 1. Flowing in an opposite direction. 2. A current flowing in a direction opposite to another current. * * * coun·ter·cur·rent kau̇nt ər .kər ənt, .kə rənt n a current flowing in a direction opposite that of another current countercurrent .kau̇nt… … Medical dictionary
Aquaporin — Aquaporins are integral membrane proteins from a larger family of major intrinsic proteins (MIP) that form pores in the membrane of biological cells.cite journal | author = Agre P | title = The aquaporin water channels | journal = Proc Am Thorac… … Wikipedia
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
