sperm cell的例句大全

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?

in seed plants it is the generative cell in the pollen grain, which divides in the pollen tube to produce two sperm cells.

在种子植物中，它是在花粉粒中的生殖细胞，可以在花粉管内分裂形成两个精子。

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.

in seed plants it is the generative cell in the pollen grain, which divides in the pollen tube to produce two sperm cells.

在种子植物中，它是在花粉粒中的生殖细胞，可以在花粉管内分裂形成两个精子。

A sperm cell develops from a sperm mother cell.

精细胞从精母细胞发育而成.

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。

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.

the process to fuse a sperm cell and an ovum leads to the formation of a fertilized egg.

精子细胞与卵子融合的过程导致了受精卵的形成。

The experiment results showed that TIE had no toxicity ( LD 50> 21.5g/kg bdy weight), no mutagenicity depending on the results of the Ames test, micronucleus test of bone marrow cell and sperm shape abnormality test in mice.

结果表明，丹贝异黄酮提取物的小鼠经口LD50大于21.5g/kg体重，属无毒物质；Ames试验、小鼠骨髓微核试验、精子畸形试验均为阴性，说明丹贝异黄酮提取物无致突变作用。

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 are intended to fertilize the female sex cell , or egg.

精子是要令到雌性生殖细胞(者说是卵子)被受精.

A sperm and egg cell fusion formation of homozygous; another sperm and secondary Primary endosperm formation of a nuclear fusion. ( 3) The development of embryo belongs to solanad type.

一个精子与卵细胞融合形成合子；另一个精子与次生极核融合形成初生胚乳核。（3）胚发育属茄型。

Analyzed frozen damage to Cobia and crimson snapper cryopreservation sperm nuclei, which was used single cell gel electrophoresis.

运用单细胞电泳技术对军曹鱼与红鳍笛鲷超低温冷冻保存的精子进行精子细胞核冷冻损伤分析。

each germ cell had chromatoid body except for the spermatogonium of al type, and the chromatoid body became small and dispersed with the cell developing constantly, disappearing completely in the sperm.

黄颡鱼除A1型精原细胞外的各期生殖细胞都存在拟染色体，并且随着细胞的不断发育拟染色体逐渐变小分散，最后在精子内完全消失。

Bark contains cell of mustard seed sperm, have bitter taste;

树皮含芥子精细胞，有辛辣味；

1-cell mouse embryos in vitro fertilized with DNA-damaged sperm induced by oxidative stress activates the of G2/ M cell cycle checkpoint to delay the progress of the first mitotic cell cycle.

氧化应激性DNA损伤精子体外受精后胚胎细胞在第一次有丝分裂细胞周期启动了G2/M检查点。

hellbender sperm-cell tail, with characteristic "corkscrew" tissue.

隐鳃鲵的精子尾，带有特色的螺旋状薄膜。

Sperm are intended to fertilize the female sex cell, or egg.

精子是要令到雌性生殖细胞（或者说是卵子）能被受精。