Intestinal Nematodes Clinical Microbiology Review 245
NEMATODE ROUTE OF INFECTION DIAGNOSTIC STAGE OTHER
Trichuris trichiura Whip worm. Eosinophilia. Eggs require
developmental period in warm soil
before infective.
Ingestion of infective egg. Barrel-shaped ovum. 50 × 23 μm.
Brown or yellow. Clear plug at
either end.(From Leventhal R, Cheadle RF. Medical Parasitology:
A Self-Instructional Text, 5th ed. Philadelphia: FA Davis;
2002:17.)continued...