cell polar中文什么意思

• 细胞极

• cell:    n. 1.小室，单室；隔间，舱；〔诗〕茅舍；(单个的)蜂 ...
• polar:    adj. 1.(南、北)极的，地极的；近地极的。 2.【 ...
• polar cell:    极地环流; 极球; 极体; 极细胞
• first polar cell:    第一极细胞
• polar circulation cell:    极地环流圈

例句与用法

1. Oleifera was observed with lm . results showed that there were vegetative cell and generative cell in the pollen grain of genus camellia , the generative cell is more smaller than that of the vegetative cell . the generative cell was lay on the vegetative cell as an elongate spindle , and only the generative cell membrane and nuclear membrane which near the cell polar linked up the vegetative cell membrane , one of the linked area was located near by the aperture of pollen grain
   结果表明，山茶属植物花粉粒中含有生殖细胞和营养细胞，生殖细胞较小，呈长纺锤形，游离在营养细胞中，生殖细胞极轴两端的细胞膜和核膜与营养细胞的细胞膜相连，其中一端的连结处位于花粉粒萌发孔附近。