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biosAn obsolete term for yeast growth factors.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
bios(bī′ŏs) [Gr., life]
1. Organic life.
2. A group of substances (including inositol, biotin, and thiamine) necessary for the most favorable growth of some yeasts.
Medical Dictionary, © 2009 Farlex and Partners