Hookworms

Definition

Hookworms are parasitic nematodes that infect the small intestine, causing gastrointestinal issues. They attach to the intestinal wall and feed on blood, leading to anemia and other health problems.

5 Must Know Facts For Your Next Test

1. Hookworm infections are primarily caused by two species: Ancylostoma duodenale and Necator americanus.
2. The life cycle of hookworms involves soil-transmitted larvae that penetrate human skin, typically through bare feet.
3. Symptoms include abdominal pain, diarrhea, weight loss, and severe cases can lead to anemia due to blood loss.
4. Diagnosis is usually made through stool examination for the presence of hookworm eggs.
5. Preventative measures include wearing shoes in endemic areas, proper sanitation, and deworming programs.

Related terms

Nematodes:

A phylum of worms known for their elongated cylindrical shape; includes parasitic species like hookworms.

Anemia: A condition characterized by a deficiency of red cells or hemoglobin in the blood, often caused by blood loss from hookworm feeding.

Stool Examination: A diagnostic technique used to identify parasitic infections like hookworms by examining fecal samples under a microscope.