Tryp a no soma

(tri-pan-o-so'mah) [G. irypanon, an auger, soma, body.) genus of flagellate Protozoa, the members of which have a spindle shaped body with an undulating membrane on one side and a single flagellum. The trypanosomes are parasitic in the blood plasma of a vertebrate (only a few being pathogenic) and as a rule have an intermediate host, an invertebrate animal, in which the sexual cycle occurs. The pathogenic forms cause sleeping sickne in man and a number of diseases in animals. T. bru'cei, the parasite of nagana or tsetse fly disease. T. dim or'phon, the pathogenic parasite of Gambian horse disease. T. equi'num, the parasite of mal de caderas. T. equiper'dum, the parasite of dourine. T. ev'ans i, the parasite of surra. T. gambien'se, the parasite of sleeping-sickne . T. hipp'- icum, the parasite of murrin a. T. inopina'tum, a species found in the blood of a frog. T. lew'isi, a non-pathogenic parasite in the blood of rats. T. luis, the supposed female sexual form of Treponema pallidum-. T. noc'- tuas, a. species fovmd in the blood of the owl, the intermediate host being Culex pipiens. T. san'- guinis, the earliest discovered species, having been found in the blood of the frog in 1843. T. the i'leri, causes galziekte (gall-sickne ) in cattle. T. uganden'se, T. gambiense. T. vitta'tae, a species in the blood of the tortoise.