noun
1. : a zone in front of the anus in certain annelid worms from which new segments are proliferated
2. : a region behind the scolex in tapeworms similar in function to the growing zone in annelid worms
noun
1. : a zone in front of the anus in certain annelid worms from which new segments are proliferated
2. : a region behind the scolex in tapeworms similar in function to the growing zone in annelid worms
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012