enterocoele

en.ter.o.coele

n.Embryology （名词）【胚胎学】
The coelom formed from a pocketlike outgrowth of the wall of the archenteron, especially in echinoderms and chordates.
肠体腔：由原肠壁的袋装生长而形成的体腔，尤其存在于棘皮动物和脊索动物中