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ovum n.(pl. ova ) 【生物學】卵;卵細胞。

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The study of insect spermatozoa is far behind the ova for long time , it is mainly because the researchers concentrate more attention on the female insect that can product the posterity directly , but little on the function of the spermatozoa 摘要長期以來對于昆蟲精子的研究遠落后于對卵子的研究,這主要是由于研究者將注意力集中在能夠直接產生后代的雌蟲上,而對精子的作用認識不足,從而未能引起應有的重視。

About 2s after fertilization in 17 , sperms arrive at micropylar tube ; 3s , sperm penetrates into ovum where cytoplasm is sunken ; 5s , the spermaster come into being ; 20s , fertilization stopper appears ; 60s , sperms in micropylar apparatus begin to disaggregate 精子在受精2s到達精孔管, 3s進入卵子, 5s形成精子星光, 20s形成受精塞, 60s后精孔器內精子開始溶解。有多精入卵現象,極少數卵子多精受精。

Actually the spermatozoa and the ova have the same importance in the process of the insect population multiply , so the studies on the spermatozoa should be strengthened in order to understand the detail of the insect generative physiology 而實際上在昆蟲種群的繁衍過程中精子與卵子有著相同的重要性,為此想全面了解昆蟲的生殖生理還必須加強對精子的研究。

Smooth if pure white jade son of ovum shout “ guangbai “ , very kind quality has 光滑如卵的純白玉子叫“光白子” ,質量特別好。