Science / Biology / Protozoa: Single-celled protists grouped by their method of locomotion. This group includes Paramecium, Amoeba, and many other commonly observed protists.


Health / Disease / Eukarytote: An organism whose cells contain a true nucleus, such as a plants, animals, fungi and protozoa (cf prokaryote) MORE


Health / Disease / Malaria: A disease caused by a number of species of the protozoan Plasmodium. It is vectored by mosquitoes, which are also the definitive host for the disease. MORE


Science / Biology / Foraminifera: Single-celled protists that secrete a shell or test. Accumulations of the shells of dead foraminifera and other microscopic sea creatures form chalk deposits. MORE

T Cells

Science / Biology / T Cells: The type of lymphocyte responsible for cell-mediated immunity; also protects against infection by parasites, fungi, and protozoans and can kill cancerous cells; circulate in the blood and become assoc MORE


Science / Biology / Euglenoids: Term applied to a division of protozoans that have one long flagellum, no cell wall, and which may have chloroplasts. MORE

Intracellular Digestion

Science / Biology / Intracellular Digestion: A form of digestion in which food is taken into cells by phagocytosis; found in sponges and most protozoa and coelenterates. MORE