Intestinal Nematodescontinued Clinical Microbiology Review 250
NEMATODE ROUTE OF INFECTION DIAGNOSTIC STAGE OTHER
Nonfertilized ovum: larger & more
elongated. Thinner shell. No
concentric clear zones. Can be
mammillated or decorticated.(From Leventhal R, Cheadle RF. Medical Parasitology:
A Self-Instructional Text, 5e. Philadelphia: FA Davis;
2002:20.