Definition: Endogenous or exogenous substances which inhibit the normal growth of human and animal cells or micro-organisms, as distinguished from those affecting plant growth (= PLANT GROWTH REGULATORS).
Can J Biochem 55(1):50;1977; Environ Qual Safety Sup 5:153;1976; J Agr Food Chem 24(6):1174;1976; Scientia Sinica 20(4):513;1977; Yao Hseuh Hseuh Pao 1979;14(3):129