[{"Bold_text": "noun", "List Items": ["any of certain bloodsucking nematode worms ,as Ancylostoma duodenaleand Necator americanus,parasitic in the intestine of humans and other animals.", "Also calledhookworm disease.a disease caused by hookworms, which may enter the body by ingestion or through the skin of the feet or legs, causing abdominal pain, nausea, and, if untreated, severe anemia."]}]