This micrograph reveals the head of the hookworm Necator americanus, and its mouth’s cutting plates; Mag. 400X. The hookworm uses these sharp cutting teeth to grasp firmly to the intestinal wall, and while remaining fastened in place, ingests the host’s blood, obtaining its nutrients in this fashion. Content Providers(s): CDC/Dr. Mae Melvin.

Picture & text from CDC/PHIL. For more information see Hookworm Pictures from CDC