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- At the end of the head have 4 mitochondria and the centriole is in middle of the mitochondria,which formed the axial filament. 成熟精子具帽状顶体,核靠顶体端小,远端大,之后接4个球状线粒体,线粒体之间具中心粒,由中心粒长出鞭毛结构,此类精子在环节动物中为原始类型精子。疣吻沙蚕的繁殖为体外受精,精子集聚在体腔中,没有储精囊和受精囊结构。
- Angular momentum is an axial vector quantity. 角动量是一种轴矢量。
- The mass of cytoplasm surrounding the centriole in a centrosome. 中心球在中心体内中心粒周围的大量细胞质
- Asymmetrical at the axial ends.Used of a crystal. 异极的轴线终端不对称的。用于晶体
- The direction of the earth's axial rotation. 地球自转的方向。
- However, there are two possible axial directions. 不过,沿着轴线也还有两种可能的方向。
- CC - larger than Normal axial clearance. CC轴向游隙大于普通组。
- The centriole was firstly found in the spermatocyte. 精母细胞开始出现中心粒。
- Retrofit of axial seal of lye recycle pumps. 碱液循环泵轴封改造
- A single centriole appears at the late stage of spermatid. 晚期精细胞中出现单个中心粒,但在成熟精子中消失。
- Asymmetrical at the axial ends. Used of a crystal. 异极的轴线终端不对称的。用于晶体
- Test of Model JH axial flow stirring paddle. JH型轴流式搅拌桨的试验研究
- The axial pump has a broad scope in futu... 轴流泵具有广阔的临床应用前景。
- Vane axial fan with optional fan pitch control . 具有可选风扇节距控制的翼式轴流风扇。
- Axial run-out of concentricity is within 0.05mm. 同心度轴向跳动在5丝以内。
- Axial run-out of concentricity is within 0.o5mm. 同心度轴向跳动在5丝以内。
- A trigonal bipyramid has three equatorial and two axial positions. 一个三角双锥体有三个赤道位和两个轴向位。
- An axial vector may itself enter into a vector product. 轴矢量自身可参与矢积。
- Centriole A cell organelle consisting of two short tubular structures orientated at right angles to each other. 中心粒:由两个互成直角的圆筒状小体构成的细胞器。
- There was slight axial rotation of the tibia relative to the femur. 相对于股骨,胫骨出现轻微轴向转动。