trichuriasis trich·u·ri·a·sis (trĭk'yə-rī'ə-sĭs)
n. pl. trich·u·ri·a·ses (-sēz)
Infection with a nematode. It is usually asymptomatic and not associated with peripheral eosinophilia, but in massive infections it frequently causes diarrhea or rectal prolapse.