obsolete nematode adult intestinal stage true 2016-04-27T17:03:22Z OBSOLETE. An adult life-stage of a soil-transmitted nematode such as Trichuris sp. that resides in the intestinal epitheium. The stage ends when the posterior of the male and female worms emerge free into the intestinal lumen at which point the worm enters the lumenal stage. worm_development jl16 nematode adult intestinal phase This term was made obsolete because this is an anotomical part and not a life-stage. WBls:0000721