单词 | agamete |
释义 | agameten. Biology. 1. A stage in the life cycle of a protozoan which functions as a non-sexual reproductive cell. ΚΠ 1910 Jrnl. Med. Res. 23 492 The schizonts (agametes), or those forms which show no sexual differentiation and in which multiplication is not preceded by sexual union, are devoid of any characteristic granules. 1940 L. H. Hyman Invertebrates I. iii. 144 The growing vegetative parasite is called a trophozoite. When this..undergoes multiple fission directly into agametes, it is called a schizont or agamont. 1965 J. I. Poljanskij & E. M. Chejsin tr. V. A. Dogiel Gen. Protozool. (ed. 2) viii. 442 The number of agametes produced corresponds to the number of generative nuclei. 2000 K. Mikami in J. J. Tarín & A. Cano Fertilization Protozoa & Metazoan Animals i. 13 All three gamete nuclei are thought to undergo meiosis and produce 12 nuclei, which results in the formation of 12 agametes. 2. A non-sexual reproductive cell in a mesozoan. ΘΚΠ the world > life > biology > substance > cell > types of cells > [noun] > other types of cells reticular cell1832 torula1833 reserve cell1842 subcell1844 parenchyma cell1857 pedicel cell1858 nettle cell1870 heterocyst1872 prickle cell1872 angioblast1875 palisade cell1875 sextant1875 spindle cell1876 neuroblast1878 body cell1879 plasma cell1882 reticulum cell1882 stem cell1885 Langhans1886 basal cell1889 pole cell1890 myelocyte1891 statocyst1892 mast cell1893 thrombocyte1893 iridocyte1894 precursor1895 nurse cell1896 amacrine1900 statocyte1900 mononuclear1903 oat cell1903 myeloblast1904 trochoblast1904 adipocyte1906 polynuclear1906 fibrocyte1911 akaryote1920 Rouget cell1922 Sternberg–Reed1922 amphicyte1925 monoblast1925 pericyte1925 promyelocyte1925 pituicyte1930 agamete1932 sympathogonia1934 athrocyte1938 progenitor1938 Reed–Sternberg cell1939 submarginal1941 delta cell1942 mastocyte1947 squame1949 podocyte1954 transformed cell1956 transformant1957 spheroplast1958 pinealocyte1961 immunocyte1963 lactotroph1966 mammotroph1966 minicell1967 proheterocyst1970 myofibroblast1971 cybrid1974 1932 L. A. Borradaile & F. A. Potts Invertebrata ii. 32 Growth of agametes. 1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) vi. 43/1 The vermiform..or nematogen..is small, ciliated, worm-like, and has a small but constant number of cells in an outer ciliated somatoderm enclosing one or more axial cells, which in turn contain axoblasts (agametes). 2001 A. O. Bush et al. Parasitism ix. 293/2 The axial cell of the rhombogen produces agametes that divide to become a mass of reproductive cells. This is a new entry (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1910 |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。