Both meanings being with the letter D just like the Greek letter, which should help you remember them: 1  Difference is the most common meaning of the uppercase delta. 2  It is simply the difference or change in a certain quantity.
Trypanosomiasis This is a protozoan disease of animals and humans caused by parasites of the genus Trypanosoma, which are found in blood plasma, various body tissues and fluids. Theileriosis (East cost fever) â¢ East coast fever is a sub acute haemoprotozoan disease of cattle caused by Theileria parva. Theileriosis is characterized by fever, enlarged lymph nodes, dyspnea and death. In chronic cases loss of condition, emaciation, diarrhea, blindness, etc. can be seen.
1 Malaria: it is mosquito-borne tropical disease caused by the plasmodium species of protozoa. 2  The various types of species are P. vivax, P. falciparum, P. ovale, P.malariae. 3  The organism enters the body in the form of sporozoites injected by female anopheles mosquito during a blood meal.rotozoa are single cell, living microorganism. They have structures like flagella and cilia which help them in their movements. Almost all the humans, some time in their life time must have got infected with protozoa. Some of the disease caused by protozoa can be mild to life threatening.