Hookworm - close-up of the organism:

This is the mouth part of the hookworm
Ancyclostoma duodenale. The hookworm uses sharp, curvedĀ cutting platesĀ to attach to the lining of the intestine where it sucks blood for nourishment. (Image courtesy of the Centers for Disease Control and Prevention.)
- Reviewed last on: 12/3/2008
- David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School, Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.