Figure 1: Dirofilaria immitis
adults in the right ventricle of a dog's heart (post-mortem).
Image from Ohio State University: http://www.biosci.ohio-state.edu/~parasite/dirofilaria.html.
Figure 2: Adult female worm of D.repens
species located under the bulbar conjunctiva
in the right eye of a 51-year-old farmer
from the Po river valley (northwestern Italy).
Image from Atlas of Medical Parasitology:
http://www.cdfound.to.it/html/dir2.htm.