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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. 成熟精子具帽狀頂體,核靠頂體端小,遠端大,之后接4個(gè)球狀線(xiàn)粒體,線(xiàn)粒體之間具中心粒,由中心粒長(cháng)出鞭毛結構,此類(lèi)精子在環(huán)節動(dòng)物中為原始類(lèi)型精子。疣吻沙蠶的繁殖為體外受精,精子集聚在體腔中,沒(méi)有儲精囊和受精囊結構。
- Angular momentum is an axial vector quantity. 角動(dòng)量是一種軸矢量。
- The mass of cytoplasm surrounding the centriole in a centrosome. 中心球在中心體內中心粒周?chē)拇罅考毎|(zhì)
- Asymmetrical at the axial ends.Used of a crystal. 異極的軸線(xiàn)終端不對稱(chēng)的。用于晶體
- The direction of the earth's axial rotation. 地球自轉的方向。
- However, there are two possible axial directions. 不過(guò),沿著(zhù)軸線(xiàn)也還有兩種可能的方向。
- CC - larger than Normal axial clearance. CC軸向游隙大于普通組。
- The centriole was firstly found in the spermatocyte. 精母細胞開(kāi)始出現中心粒。
- Retrofit of axial seal of lye recycle pumps. 堿液循環(huán)泵軸封改造
- A single centriole appears at the late stage of spermatid. 晚期精細胞中出現單個(gè)中心粒,但在成熟精子中消失。
- Asymmetrical at the axial ends. Used of a crystal. 異極的軸線(xiàn)終端不對稱(chēng)的。用于晶體
- Test of Model JH axial flow stirring paddle. JH型軸流式攪拌槳的試驗研究
- The axial pump has a broad scope in futu... 軸流泵具有廣闊的臨床應用前景。
- Vane axial fan with optional fan pitch control . 具有可選風(fēng)扇節距控制的翼式軸流風(fēng)扇。
- Axial run-out of concentricity is within 0.05mm. 同心度軸向跳動(dòng)在5絲以?xún)取?/li>
- Axial run-out of concentricity is within 0.o5mm. 同心度軸向跳動(dòng)在5絲以?xún)取?/li>
- A trigonal bipyramid has three equatorial and two axial positions. 一個(gè)三角雙錐體有三個(gè)赤道位和兩個(gè)軸向位。
- An axial vector may itself enter into a vector product. 軸矢量自身可參與矢積。
- Centriole A cell organelle consisting of two short tubular structures orientated at right angles to each other. 中心粒:由兩個(gè)互成直角的圓筒狀小體構成的細胞器。
- There was slight axial rotation of the tibia relative to the femur. 相對于股骨,脛骨出現輕微軸向轉動(dòng)。