不育

Cytoplasmic male sterility is a maternally inherited trait in which higher plants fails to produce functio...

细胞质雄性不育(Cytoplasmic male sterility，CMS)普遍存在于高等植物中，是生产上广泛利用杂种优势的基础。

Leaves (0.7-)1-3 m × 30-60 cm; terminal lobe of sterile blade of megasporophyll usually flattened.

叶(0.7-)1-3米×厘米；不育的片大孢子叶的顶生的裂片通常扁平。

Leaflets flat or slightly recurved along margin; sterile blade of megasporophyll suborbicular or rhombic-orbicular, pectinate; sclerotesta of seed with 2 or 3 irregular grooves on each side

小叶平的或稍下弯沿边缘；不育的片大孢子叶近圆形的或菱形圆形，栉状；种子具2或3 不规则的具凹槽的在每边的sclerotesta 7 Cycas taitungensis 台东苏铁

Meiosis of pollen mother cells of t he mutant and its receptor(line 814527) were observed.

对该不育变异体和受体花粉母细胞减数分裂过程进行观察。

Meiosis of pollen mother cells of the mutant and its receptor(line 814527) were observed.

对该不育变异体和受体花粉母细胞减数分裂过程进行观察。

Can get melioration obviously for those who are sterility.

对男、女不育不孕患者有明显的改善。

Ovary usually sterile, occasionally only 1 mericarp develops in a few flowers.

通常不育的子房，偶有只在几花内发育的1分果爿。

However, Santoro said low testosterone causes infertility only if it is very low or occurs in morbidly obese men.

不过，Santoro说，睾酮水平低导致不育只出现在水平极低或病态性肥胖的男子中。

Some hybrid strains of cotton with CMS have been applied in production, but the utilization of CMS is rather limited because of the low yield of restoring lines and the noxiousness of the exotic cytoplasm in the male sterile lines.

目前，利用棉花CMS的三系配套培育出了一些杂交种应用于生产，但总体来说，由于恢复系本身产量水平低以及不育系外来细胞质的有害性等原因使得棉花CMS的应用受到极大的限制。

However, orchitis usually affects only one testicle; sterility from the ailment is extremely rare.

然而，睾丸炎通常只影响一个睾丸；由于这种疾病导致不育的情况是非常少的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。