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1
apical cap中文是什么意思
发音:
- 中文翻译
- 造句
- 顶体帽
- apical adj. 1.顶点的，顶端的。 2.【语言学】用舌尖发音 ...
- cap CAP ＝ 1.Civil Air Patr ...
- apical adj. 1.顶点的，顶端的。 2.【语言学】用舌尖发音的。 n. 舌尖音〔如 t, d, s, l 等〕。
- in the cap 戴着帽子
- in-cap n. 〔美军俚〕智能麻醉剂〔一种使人失去智能的化学药剂〕。
- apical abscess 根尖脓肿
- apical angle 顶角
- apical aperture 顶孔
- apical apparatus 壳顶器官
- apical area 翅尖域
- apical areola 前副室
- apical articulation 舌尖发音
- apical axis 壳轴; 纵对称轴,顶轴
- apical belly 尖腹
- apical branch 尖支
- apical bristle 端鬃
- apical bronchus 肺尖支气管; 尖段支气管
- apical bud 顶芽
- apical calcaria 端距
- apical canaliculus 顶泌小管
- apical capsomer 顶部壳粒
- apical capsomere 顶部壳粒; 顶部子粒; 顶端壳粒
- apical cavity 喙顶腔
- apical cell 顶端细胞; 顶细胞; 缘室
- At the beginning , the cytoplasm is evently distributed , then it is polar - distribution and at last it only remains between the apical cap and the sperm nucleus . during the period of spermatogonium , chromatin in the nucleus is in the shape of conglomeration and the nucleus is big ( i . e . the proportion of the nucleus to cytoplasm is bigger than spermatocyte ) . at the stage of primary spermatocyte , chromatin accumulates to sc complexity . the nucleus of the mature sperm takes the shape of a plate and filmentous chromatins exist freely in uncondensed nucleus
精子发生过程中，细胞器由少到多，到最后解体；细胞质从均匀分布，到精细胞期极性分布，最后残留于成熟精子的顶帽和精核之间；细胞核在精原细胞期，染色质异固缩，胞核大，即核质比大于后续的精母细胞；在初级精母细胞中，染色质凝聚为sc复合体，到成熟精子，精核呈碟状，染色质呈丝状游离于非浓缩的核中。 - 2 . sperm ultrastructure the sperm is nonflagellated and composed of a main body in which including nucleus n apical cap and a little cytoplasm and a single spike extending from the convex surface of the apical cap , which consists of about twenty radial fibrillae on which exhibiting periodic cross - striations . the concave surface of the apical cap surrounds the little cytoplasm which is highly condensed and has n ' t any organella and sperm nucleus , which is uncondensed and composed of filamentous materials and many membrane - bound vesicles
外形呈图钉样，由主体部和棘突组成，主体部包括帽状体、细胞质带和精核。帽状体由约20根辐射状排列的纤丝组成，纤丝具横纹。其凸面延伸成棘突，棘突内纤丝是帽状体内纤丝的延续，亦具横纹。
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Last modified time:Mon, 18 Aug 2025 00:29:56 GMT
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