spermatheca

基本解释

• n.[动]受精囊

同根派生

• spermatheca相关词

英汉例句

• Many female insects store the sperm in spermatheca.
  许多类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.
  摘要用光镜对疣蝗受精囊和受精囊管的结构做了初步的观察。
• The structure of spermatheca in Oxya chinesis was investigated microscopically and submitcroscopically.
  摘要在显微及亚显微水平上研究了中华稻蝗受精囊的结构。
• The results showed that morphology of the spermatheca is associated with the ovarian cycle.
  纳精囊上皮组织中的顶分泌型腺细胞，在繁殖期向囊腔中分泌大量的粘液，为精子的储藏和存活提供了适宜的环境。
• Honeybee sperm remains viable in the spermatheca of mated queen bee for several years.
  蜂王交配后将精子贮存于受精囊中长达数年之久,并仍能保持活力。

• spermatheca更多例句

词组短语

短语

• 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

生物学

• 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.
  蟋蟀雌性个体内存在可以储存精子的受精囊，精子在受精囊内可以存活3-4个月，所以有些昆虫一生只需交配几次，其体内储存的精子就够一生的需要了。

  农业科学

• 纳精囊

  Short time after the Spermatophores entered the spermatheca, it dissoluted and existed as single sperm until combining with germ cell.
  精荚进入到雌体纳精囊后，很快便破裂，释放出游离精子，以该形式存在直至与雌性卵结合，接着雌蟹抱卵。

• 受精囊

  The tip of spermatheca is fuscous in P. nanwutaina.
  南五台蝎蛉P. nanwutaina受精囊尖端颜色极深,明显。

  物理学

• 纳精囊
• 受精囊