Filtration through a semipermeable membrane which only allows small molecules through.
U.S. National Library of Medicine
The separation of particles from a suspension by passage through a filter with very fine pores. In ultrafiltration the separation is accomplished by convective transport; in DIALYSIS separation relies instead upon differential diffusion. Ultrafiltration occurs naturally and is a laboratory procedure. Artificial ultrafiltration of the blood is referred to as HEMOFILTRATION or HEMODIAFILTRATION (if combined with HEMODIALYSIS).
The numerical value of ultrafiltration in Chaldean Numerology is: 7
The numerical value of ultrafiltration in Pythagorean Numerology is: 7
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"ultrafiltration." Definitions.net. STANDS4 LLC, 2017. Web. 20 Aug. 2017. <http://www.definitions.net/definition/ultrafiltration>.