The human whipworm (Trichuris trichiura or Trichocephalus trichiuris), is a roundworm, which causes trichuriasis when it infects a human large intestine. The name whipworm refers to the shape of the worm; they look like whips with wider "handles" at the posterior end. Infections Symptoms include: Light infestations are frequently asymptomatic. Heavy infestations may have bloody diarrhea. Long-standing blood loss may lead to iron-deficiency anemia. Rectal prolapse is possible in severe cases… (More on Whipworm)