单词	gametogenesis
释义	gametogenesis /ɡəˌmiːtə(ʊ)ˈdʒɛnɪsɪs / noun [mass noun] Biology The process in which cells undergo meiosis to form gametes.Normally, the adult proximal germline contains germ cells undergoing gametogenesis and proliferation is restricted to the distalmost part of the adult gonad.... Sporulation in single-celled eukaryotes such as yeasts is a morphogenetic process equivalent to gametogenesis, because an ascospore is a highly specialized cell and its formation is preceded by meiotic nuclear division. Homologous chromosomes are fully aligned at the pachytene stage, and germ cells survive to complete meiosis and gametogenesis with high efficiency. Derivatives gametogenic adjective ... The final stages of gametogenic development, spawning activity, and major shell growth also take place during this low-salinity period. Typically, the small-sized tubules are in an early gametogenic stage and the largest tubules are mature. There are, however, important gametogenic events which are specific to multicellular organisms. gametogeny noun ... After the second or third division, the schizonts invade further cells, where gametogeny, or sexual division, occurs.
随便看	angleditch angledog angledozer angledutch Anglefy angle grinder angle-hook angle iron angle-meter angle of attack angle of incidence angle of reflection angle of refraction angle of repose angle-park angle-parked angle-parking anglepoise angle post angler anglerfish Anglesey angle shades angle shot anglesite

英语词典包含243303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。