the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [noun] > member of > parts of > region in which growth occurs (2)
growing zone1923
the region of an annelid worm in which growth or regeneration is initiated.
growth zone1927
(a) = growing-regionn. at growing, n. compounds 1; (b) = growth arean.; (c) = growing zonen. at growing, n. compounds 2.