单词 | pansporoblast |
释义 | > as lemmaspansporoblast pansporoblast n. Brit. /ˌpanˈspɒrə(ʊ)blɑːst/ , /ˌpanˈspɒrə(ʊ)blast/ , /ˌpanˈspɔːrə(ʊ)blɑːst/ , /ˌpanˈspɔːrə(ʊ)blast/ , U.S. /ˌpænˈspɔrəˌblæst/ Zoology a spore-forming structure produced endogenously by many protozoans of the class Myxosporea, which comprises several sporoblasts within a single envelope.ΘΚΠ the world > animals > invertebrates > protozoa > class Sporozoa > subclass Neosporidia > [noun] > structure formed by member pansporoblast1893 1893 R. R. Gurley in Bull. U.S. Fish Comm. 1891 408 Pansporoblast, the transparent plasma-sphere formed by the condensation of a portion of the plasma around one of the numerous nuclei of the endoplasm of the myxosporidium; in distinction from the sporoblasts which result from the segmentation of the pansporoblast. 1932 L. A. Borradaile & F. A. Potts Invertebrata ii. 93 In the syncytium,..there arise..bodies known as pansporoblasts, each composed of a couple of envelope cells with one or more cells known as sporoblasts. 1998 L. Margulis & K. V. Schwartz Five Kingdoms (ed. 3) ii. 178/1 The spores..are always packed in groups of eight inside a two- to four-celled envelope called a pansporoblast. < as lemmas |
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