血寄生蟲; 血原蟲
Haematozoon \H[ae]m`a*to*zo"["o]n\, n.; pl. {H[ae]matozoa}. [NL., fr. Gr. ?, blood + ? animal.] (Zo["o]l.) A parasite inhabiting the blood; esp.: (a) Certain species of nematodes of the genus {Filaria}, sometimes found in the blood of man, the horse, the dog, etc. (b) The trematode, {Bilharzia h[ae]matobia}, which infests the inhabitants of Egypt and other parts of Africa, often causing death.