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The narrower the V-groove is, the better the capillary flow of liquids is even for highly viscous liquids such as blood; this effect has been used to produce an autonomous assay. [5] [34] The fabrication of a V-groove is more difficult than a U-groove as it poses a higher risk for faulty construction, since the corner has to be tightly sealed. [29]
The decrease in surface tension increases the wettability of the capillary walls, making it easier for the fluid to flow through the capillary. Heat also effects the viscosity of a fluid inside a capillary. An increase in heat decreases the viscosity of the lumenal fluid. A good example of this action can be observed in the human body during ...
presence of arsenical anti-syphilitic;obsolete Addis count: Thomas Addis: nephrology: pyelonephritis: quantitative cells and casts in 24hr. urine Adie pupil: William John Adie: neurology: ciliary nerve damage: dilated pupil, poorly reactive but with normal near accommodation Adson's sign: Alfred Washington Adson: vascular surgery: thoracic ...
The designed device has two sides: forward (F) side, made of chromatography paper with three channels spotted with 1.5 mL Anti-A, Anti-B, and Anti-D antibody solutions each, and reverse (R) side, made with blood separation membrane and connected to A-type and B-type antibodies channels. The PAD is fabricated using a combination of wax dipping ...
Capillary action of water (polar) compared to mercury (non-polar), in each case with respect to a polar surface such as glass (≡Si–OH). Capillary action (sometimes called capillarity, capillary motion, capillary rise, capillary effect, or wicking) is the process of a liquid flowing in a narrow space without the assistance of external forces like gravity.
Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().
Constriction of these sphincters reduces or shuts off blood flow through their respective capillary beds. This allows the blood to be diverted to elsewhere in the body. [2] Metarterioles exist in the mesenteric microcirculation, and the name was originally conceived only to define the "thoroughfare channels" between arterioles and venules. In ...
Capillary tube splices under installation in Germany. There are several designs in use for mechanical splicing, varying based on the method of fiber alignment; four common methods, according to the Fiber Optic Association, are the capillary tube , V-groove , elastometric , and rotary splice.