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Word: protozoa (lookup in dictionary) (lookup stats)
Dates: during 1920-1929
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Usage:

...Cleveland, Assistant Professor of Protozoology, to permit him to study the relation of protozoa in vivo and in vitro to bacteria, and the life cycles of amoebae...

Author: NO WRITER ATTRIBUTED | Title: MILTON FUNDS AIDS GIVEN PROFESSORS FOR SPECIAL WORK | 4/3/1929 | See Source »

...pond animal life reproduced at the Museum there are water fleas, protozoa (single-celled animals), insect larvae, and rotifers. The rotifers, most interesting, give their name to the entire exhibit. The commonest kinds are shaped like tops. The rotifer head is round and surrounded at the flat shoulder with fine cilia which vibrate (in life) so rapidly one after another around the circle of shoulder that the whole body seems to rotate. They are voracious and pugnacious, crouching on a microscopic plant and then swiftly springing at a stray water flea, a protozoa, a bit of leaf...

Author: /time Magazine | Title: Science: Magnified Pond Scum | 10/15/1928 | See Source »

...blackest horror in darkest Africa is sleeping sickness. Very different from encephalitis lethargica, the sleeping sickness found in the U. S., this disease is caused by trypanosomes (parasitic protozoa) carried by the tsetse fly. Its toll is about 100,000 human victims a year and all the domestic animals the tsetse fly can find...

Author: /time Magazine | Title: Science: Tsetse Fly | 7/30/1928 | See Source »

Half of it was given to Dr. L. R. Cleveland of Johns Hopkins University for research into the physiology of protozoa inhabiting the digestive tracts of termites and other animals. These protozoa are far from being the smallest animals known, but the layman can get an idea of their size from the fact that they dwell in the intestines of white ants...

Author: /time Magazine | Title: Medicine: Minutae and Magnificae | 2/23/1925 | See Source »

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