Protozoa是什么意思

Protozoa

[,protə'zoə]

protozoa: protozoa: [19] Greek prótos meant ‘first’ (like English first and Latin prīmus ‘first’ it goes back ultimately to Indo-European *pro ‘before, in front’). It forms the basis of a wide range of English words, both original Greek compounds and post-classical formations, among them protagonist [17] (etymologically the ‘first or leading actor’), protein, protocol, proton [20], protoplasm [19], and prototype [17]. Protozoa itself was coined in modern Latin by the zoologist Goldfuss in 1818 from proto- and Greek zóia ‘animals’ (source of English zoo), the notion being that the protozoa are the simplest or most primitive forms of life.
=> zoo
Protozoa (n.): 1828, from Modern Latin Protozoa, coined 1818 by German zoologist Georg August Goldfuss (1782-1848) from Greek protos "first" (see proto-) + zoia, plural of zoion "animal" (see zoo). Originally including sponges and corals; current sense is from 1845. Related: Protozoon (aingular); Protozoan.

2. Man is host to a variety of pathogenic bacteria , protozoa, and viruses.: 人是各种致疾的细菌、原生动物以及病毒的宿主.

3. There are 14 protozoa. 9 tapeworms, 12 trematodes, 51 nematodes, 7 insects.: 其中原虫14种, 吸虫9种,绦虫12种, 线虫51种, 蜘蛛昆虫7种.

4. The pathogen in the waters are viruses, bacteria, protozoa and helminths.: 水中有病毒、细菌、原生动物、蠕虫等多种病原体.

5. Yucca extract could decrease the number of the protozoa significantly ( P & lt; 0.05 ).: 丝兰属植物提取物能显著降低瘤胃原虫数量 ( P & lt; 0.05 ).