Lexic.us

Definition of Ultrafiltration

1. Noun. Filtration through a semipermeable membrane which only allows small molecules through. ¹

¹ Source: wiktionary.com

Definition of Ultrafiltration

1. [n -S]

Medical Definition of Ultrafiltration

1. Filtration under pressure. In the kidney, an ultrafiltrate is formed from plasma because the blood is at higher pressure than the lumen of the glomerulus. Also used experimentally to fractionate and concentrate solutions in the laboratory using selectively permeable artificial membranes. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

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