The Collaborative International Dictionary
Somatotropism
Somatotropism \So`ma*tot"ro*pism\, n. [Gr. sw^ma, sw`matos, the
body + tre`pein to turn.] (Physiol.)
A directive influence exercised by a mass of matter upon
growing organs.
--Encyc. Brit.
Wiktionary
somatotropism
n. (context biology English) A directive influence exercised by a mass of matter upon growing organs.