spermatheca
基本解释
- n.[動]受精囊
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。
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
柯林斯英英字典
专业释义
- 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