It is a large nematode ( roundworm), Dracunculus medinensis, which is ingested through drinking contaminated water. 它是一种大的线虫(圆形虫),即麦地那龙线虫,通过饮用污染水进入人体。
Dracunculiasis ( more commonly known as guinea-worm disease) is a crippling parasitic disease caused by Dracunculus medinensis, a long thread-like worm. 麦地那龙线虫病(又常常称为几内亚蠕虫病),是一种由麦地那龙线虫这种长型丝状的蠕虫引起的致残性寄生虫病。