| 释义 |
leptomonas Zool.|lɛpˈtɒmənæs|
Pl. leptomonas.
[mod.L., f. lepto- + -monas.]
a. Any flagellate of the genus Leptomonas (family Trypanosomidæ), which comprises species parasitic in invertebrates (esp. in the alimentary tract of insects) and existing in both leptomonad and leishmanial forms.
b. = leptomonad b; freq. attrib. or as adj.
[1880–1W. Saville-Kent Man. Infusoria I. 243 Genus IV. Leptomonas, S.K... Animalcules free-swimming, persistent in shape, elongate fusiform or aciculate, bearing a single long undulating flagellum at the anterior extremity, no distinct oral aperture yet detected. The above generic title combined with the following specific one is here introduced for the reception of the monoflagellate animalcule figured and briefly described..by O. Bütschli.] 1926C. M. Wenyon Protozool. I. 312 They are the true trypanosomes typically seen in the blood of vertebrates or their invertebrate hosts: the leptomonas, crithidia, and herpetomonas, which have only an invertebrate host..; the leishmania, which..have both a vertebrate and an invertebrate host..; and the phytomonas, which have both an invertebrate and plant host. Ibid. 319 Flagellates of the genus Leishmania resemble those of the genus Leptomonas in having only the leishmania and leptomonas forms. 1931Blacklock & Southwell Guide Human Parasitol. ix. 71 In Phlebotomus argentipes which has been fed experimentally on infected persons, the leishmania develop in the gut into leptomonas. 1942J. T. Culbertson Med. Parasitol. ix. 86 The organisms of the genus Leishmania..have in their development only two stages: a leishmania and a leptomonas. 1971Beck & Barrett-Connor Med. Parasitol. iv. 38/2 Phlebotomus flies, while feeding, regurgitate leptomonas forms..into the wound. |