sunken tube 中文意思是什麼

sunken tube 解釋
沉管
  • sunken : adj 沉沒的，沉下去的；凹下去的；內陷的；水中的，水底的；埋著的，地中的；消瘦的。 sunken cheeks 下...
  • tube : n 1 管，筒；顏料管。2 管狀地下隧道；〈口語〉（倫敦的）地下鐵道。3 【炮】炮身；【汽鍋】鍋管；【解...
  1. 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。
  2. The fertilized eggs of hemibnrbus lubco have been observed by sem, tem and om, and main events of fertilization biology have been studied, too. the results suggest : the micropylar apparatus, being composed of vestibule and micropylar tube, is deeply sunken with a short tunnel

    對唇（魚骨）受精過程中發生的主要事件進行組織切片、透射和掃描電子顯微鏡觀察，結果表明：精孔器屬深凹陷、短孔徑型，精孔管一次只能通過一個精子。
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