Fig. 4From: Histological confinement of transglutaminase-mediated nit sheath crosslinking is essential for proper oviposition and egg coating in the human head louse, Pediculus humanus capitisImage of a mature egg with its operculum attached to the ventral end of the uterus. The operculum stays attached to the ventral end of the uterus even after surgically removing the dorsal part of the uterus. The ventral uterus turns inside out in this pictureBack to article page