Countercurrent exchange is a mechanism between two flowing bodies flowing in opposite directions to each other, in which there is a transfer of some property...

Look up countercurrent in Wiktionary, the free dictionary. Countercurrent may refer to: Countercurrent pool Countercurrent exchange Countercurrent chromatography...

concentrate urine is also present in birds. Countercurrent multiplication is frequently mistaken for countercurrent exchange, a similar but different mechanism...

in the gas exchanger. A countercurrent system such as this maintains a steep concentration gradient along the length of the gas-exchange surface (see...

higher. See countercurrent exchange. In a cross-flow heat exchanger, the fluids travel roughly perpendicular to one another through the exchanger. Fig. 1:...

utilizes countercurrent blood flow within the net (blood flowing in opposite directions) to act as a countercurrent exchanger. It exchanges heat, ions...

capillary blood flows in the opposite direction to the water, causing countercurrent exchange. The gills push the oxygen-poor water out through openings in the...

exposes a large gas exchange surface area to the very large volumes of water passing over them. Gills use a countercurrent exchange system that increases...

with an upflow of hot, carbon monoxide-rich combustion gases is a countercurrent exchange and chemical reaction process. In contrast, air furnaces (such...

ascending limb is impermeable to water, a critical feature of the countercurrent exchange mechanism employed by the loop. The ascending limb actively pumps...

in order that the bundle is still removable for maintenance. Countercurrent heat exchangers are most efficient because they allow the highest log mean temperature...

capillary blood flows in the opposite direction to the water, causing countercurrent exchange. The gills push the oxygen-poor water out through openings in the...

create a countercurrent exchange system that attempts to retain heat. Profuse sweating would then be caused by an overwhelmed countercurrent exchange system...

in the opposite direction to the water, resulting in efficient countercurrent exchange. The gills push the oxygen-poor water out through openings in the...

molluscs, the efficiency of the gills is greatly enhanced by a countercurrent exchange mechanism in which the water passes over the gills in the opposite...

into the legs is cooled by blood returning to the body in a countercurrent heat exchange (CCHE), a highly efficient means of minimizing heat loss through...

communications cable. In 1857, Werner von Siemens described the countercurrent exchange and in 1867 a dynamo without permanent magnets. A similar system...

loop of Henle and participate in the maintenance of the medullary countercurrent exchange system. The filtrate that has passed through the three-layered...

Solvent drag Sodium Chloride Urea Glucose Oligopeptides Protein Filtration Renal blood flow Ultrafiltration Countercurrent exchange Filtration fraction...

cracking or breakdown of materials.[citation needed] Countercurrent exchange Economizer Heat exchanger Hot blast Recuperator desalination – some thermal...

internal mechanisms of "shivering" (called heterothermy), and countercurrent exchange to retain heat. Other bees have similar physiology, but the mechanisms...

mammals. Also, the blood vessels in their flippers are adapted for countercurrent exchange; small veins surround arteries transporting blood from the body...

used for power and steady swimming, the Atlantic bluefin uses countercurrent exchange to prevent heat from being lost to the surrounding water. Heat...

the American flamingo has highly vascularized feet that use a countercurrent exchange system in their legs and feet. This method of thermoregulation...

the countercurrent exchange of heat in the petiole retains most of the energy in the thorax. When the ambient temperature is high, the countercurrent exchange...

transport out of most of the ascending limb. In addition, passive countercurrent exchange by the vessels carrying the blood supply to the nephron is essential...

achieved continuously by use of countercurrent exchange methods. The elements can also be separated by ion-exchange chromatography, making use of the...

to veins before reaching the feet. Such a mechanism is called countercurrent exchange. Gulls can open a shunt between these vessels, turning back the...

Parallel counter-flowing arteries and veins characteristic of countercurrent exchange units are present in the dorsal fins, flukes, and flippers of cetaceans...

species appear to be more closely related than they actually are. countercurrent exchange The crossover of some property, usually heat or some component...