Trichuris trichiura
• embryonated eggs hatch in the small intestine, and
release larvae that mature and establish themselves
as adults in the colon.
• Female worms in the cecum shed up to 20,000 eggs
per day. The life span of the adults is about 1 year.
• Geographic Distribution:
The third most common round worm of humans
worldwide, with infections more frequent in tropical
areas