sperm cell

Egg cell and sperm cells. Schematic drawing showing their relative sizes.

卵子细胞与精子细胞. 按照相对大小所绘示意图.

A sperm cell develops from a sperm mother cell.

精细胞从精母细胞发育而成.

The ovum develops only in the female, and the sperm cell develops only in the male.

卵细胞仅在女性体内产生, 而精子细胞则仅在男性体内制造.

How can an X chromosome be nearly as big as the head of the sperm cell?

染色体怎么会接近性子头部的大小?

A human sperm cell contains just one copy each of 23 chromosomes.

一个人类精子包括一个23条染色体的复制本.

Methods Mice sperm in vitro capacitation was assessed by the B pattern of staining by chlortetracycline ( CTC). Then the delayed rectifier K~+ currents ( I_ ( DRK)) in mouse pachytene spermatocyte were recorded using whole-cell patch clamp technique.

方法以金霉素（chlortetracycline，CTC）荧光染色后涂片观察小鼠精子体外获能率，进一步应用膜片钳技术在小鼠生精细胞膜上记录延迟整流钾离子电流（IDRK）。

Sperm ( spermatozoon: ) Male reproductive cell.

精子: 雄性 生殖细胞.

The vaccine works by blocking male sperm cell from joining female egg cell.

疫苗阻断雄鼠精细胞同雌鼠卵细胞结合.

A miniature, fully formed individual believed by adherents of the early biological theory of preformation to be present in the sperm cell.

雏型人一个微型的，充分成形的个体，早期生物理论预说的拥护者认为它存在于精子细胞中。