spermatheca
基本解释
- n.[动]受精囊
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。
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