1. 卵细胞：颈卵器形似烧瓶,由颈部(neck)和腹部(venter)构成,颈部有颈沟细胞(neck canal cells),腹部有腹沟细胞(ventral canal cell)和卵细胞(egg cell). 受精时,精子以水为媒介,游到颈卵器中,与卵结合成合子,合子在颈卵器中发育成胚,
1. egg cell的意思
1. The new technique seeks to condense and transfer only the donor's genetic material to a surrogate's egg instead of an entire cell nucleus.
2. The nucleus was then transferred to another dog's egg cell whose nucleus had been removed.
3. Researchers used a technology known as chromatin transfer, in which Nicky's DNA was transplanted into an egg cell whose nucleus had been removed.
4. 911查询·英语单词
4. Each egg had its nucleus replaced by a whole human embryonic stem cell from a batch held at the UK stem cell bank.
5. Zavos said he had taken a skin cell from a man and fused it with the egg of the woman.
6. Freezing eggs is more difficult than freezing sperm, because the egg is the biggest cell in the human body.