EnvThes
growth factor
deprecated concept
growth factors
growth factoring
MS Academic Keywords
[Henderson's] (1) any organic compound, other than those required as carbon and energy sources, which is needed by an or­ganism for its proper growth and develop­ment, and which may include e.g. vitamins, amino acids, purines, pyrimidines; (2) biomolecules, usually proteins, that stimu­late cell growth (an increase in cell mass).