MaleReproFIG 12: Regions of the vas deferens.

Top DIC image of the male posterior region highlighting the vas deferens.
Bottom Epifluorescent images from transgenic animal expressing the itr-1::YFP reporter gene featuring the differently shaped cells in the 3 different regions of the vas deferens. (Strain source: G. Schindelmann and P.W. Sternberg.)