Ollulanus Species, Fig. 1
From: Ollulanus Species
Diagrammatic representation of a female of Ollulanus tricuspis (after Soulsby). D intestine, EL egg with larva formation, H terminal three-spiked structure, L3 larva 3 in the egg inside the uterus, OE esophagus, UÖ opening of the uterus, UT uterus