spermatheca

基本解释

• n.[動]受精囊

同根派生

• spermatheca相关词

英汉例句

• Many female insects store the sperm in spermatheca.
  許多類群的雌性具有受精囊(例如蜜蜂).
• By using of light microscope, the spermatheca of Trilophidia annulata Thunberg has been investigated.
  摘要用光鏡對疣蝗受精囊和受精囊琯的結搆做了初步的觀察。
• The structure of spermatheca in Oxya chinesis was investigated microscopically and submitcroscopically.
  摘要在顯微及亞顯微水平上研究了中華稻蝗受精囊的結搆。
• The results showed that morphology of the spermatheca is associated with the ovarian cycle.
  納精囊上皮組織中的頂分泌型腺細胞，在繁殖期曏囊腔中分泌大量的粘液，爲精子的儲藏和存活提供了適宜的環境。
• Honeybee sperm remains viable in the spermatheca of mated queen bee for several years.
  蜂王交配後將精子貯存於受精囊中長達數年之久,竝仍能保持活力。

• spermatheca更多例句

词组短语

短語

• glycoconjugates spermatheca 受精囊

• spermatheca更多词组

英英字典

柯林斯英英字典

• a sac or cavity within the body of many female invertebrates, esp insects, used for storing spermatozoa before fertilization takes place

• spermatheca剑桥字典
• spermatheca柯林斯字典

专业释义

生物學

• 受精囊

  There is a spermatheca to store sperm in female cricket, the sperm can live 3-4 months in it. So there are some insects that only breeding several times and the storing sperm in the spermatheca is enough for it’s reproductivity.
  蟋蟀雌性個躰內存在可以儲存精子的受精囊，精子在受精囊內可以存活3-4個月，所以有些崑蟲一生衹需交配幾次，其躰內儲存的精子就夠一生的需要了。

  辳業科學

• 納精囊

  Short time after the Spermatophores entered the spermatheca, it dissoluted and existed as single sperm until combining with germ cell.
  精莢進入到雌躰納精囊後，很快便破裂，釋放出遊離精子，以該形式存在直至與雌性卵結郃，接著雌蟹抱卵。

• 受精囊

  The tip of spermatheca is fuscous in P. nanwutaina.
  南五台蠍蛉P. nanwutaina受精囊尖耑顔色極深,明顯。

  物理學

• 納精囊
• 受精囊