defined medium


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defined medium

In bacteriology, a medium in which the composition is accurately defined and carefully controlled. One use of this culture medium is to investigate the influence of altering ingredients on bacterial cell growth characteristics.
See also: medium

defined medium

a growth MEDIUM of which all the constituents are known.
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Nutritional studies require the use of a defined medium (MSM or sMSM), whereas studies on physical conditions or toxins can use defined media or the undefined pea medium.
Data will specifically be presented in a poster titled, "Synthetic Peptide-Acrylate Surfaces for Long-Term Self-Renewal and Cardiomyocyte Differentiation of Human Embryonic Stem Cells in Defined Medium.
Bovine blastocysts development after in vitro maturation in a defined medium with epidermal growth factor and low concentrations of gonadotropins.
This alliance will help both companies achieve their goal of leadership in this newly defined medium.