精子發生 的英文怎麼說

中文拼音 [jīngzifāshēng]
精子發生 英文
sperm formation
  • 精 : Ⅰ形容詞1 （經過提煉或挑選的） refined; picked; choice 2 （完美;最好） perfect; excellent 3 （細）...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 發 : 名詞（頭發） hair
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 精子 : [生理學] sperm; spermatozoon （pl spermatozoa）; spermium （pl spermia）精子活率 sperm motility r...
  1. In this paper, the comparison of spermatogenesis and spermatozoal ultrastructures of four species of decapoda were investigated by electron microscopy ( tem ). we had tried to find structural variaton between the four species during their spermatogenesis. from this comparison study, we can pursue the evolution route of the four decapods

    本論文採用透射電鏡技術比較研究十足目（ decapoda ）物種浙江華溪蟹（ sinopotamonchekiangense ） 、三疣梭子蟹（ portunus ， trituberculatus ） 、脊尾白蝦（ exopalarmoncarinicandaholthuis ）及羅氏沼蝦（ macrobrachiumrosenbergii ）的精子發生和精子結構。
  2. Preliminary research of yeast effect on drosophila melanogaster spermatogenesis

    酵母粉對果蠅精子發生之影響
  3. In the present paper, some investigations on loxoblemmus doenitzi ( gryllidae ) are reported. in order to discover the meiosis of spermatomeres and spermiogenesis, slice - pressing method and improved phenol - fuchsin dyeing method are used. in the course of meiosis, primary spermatocytes directly enter metaphase ii, not through telophase i and prophase ii

    本論文以直翅目、螽斯亞目、蟋蟀總科、蟋蟀科的多伊棺頭蟋（ loxoblemmusdoenitzi ）為材料，採用壓片法-改良苯酚品紅染色，研究了精子發生過程中的減數分裂階段和精子形成，發現初級精母細胞第一次減數分裂后不經過末期和前期直接進入中期。
  4. In order to study the regulatory mechanism in gametogenesis of loxoblemmus doenitzi, the special expression of c - kit and c - myc is investigated by immunohistochemical method. the results show that there are kit positive protein granules on the cellular membrane of spermatomeres from metaphase i to anaphase ii, and in the head of mature spermatozoa not only in the testis but also in the spermatheca

    結果表明， kit在多伊棺頭蟋精子發生中期至後期的精母細胞膜上有陽性顆粒，在精巢和受精囊內精子頭部殘留的細胞質內也有陽性表達；但在出生后卵子發生過程中，發育中的卵母細胞上無陽性表達。
  5. During male gametogenesis, the spermatogonia became primary spermatozoa through mitosis, and then became fourth equivalent cytoplasm, round sperm through meiosis. after maturation, they participated in embryo development with the mature oocyte through fertilization. but in female gametogenesis, the primary oocyte formed a matured egg and 1 ~ 3 polar bodies ( pb )

    雄性動物精子發生過程中精原細胞最後一次有絲分裂形成二倍體精母細胞后，經過兩次減數分裂形成了四個含等量細胞質、圓形的精子細胞，最終發育成四個具有正常生理功能的精子，與成熟卵母細胞受精后參與胚胎發育。
  6. Many foreign scholars and a few chinese scholars have studied the ultrastructure of the mature sperm and spermatogenesis of gastropod ; however, nobody has studied the ultrastructure of the mature sperm and spermatogenesis of cipangopaludina chinensis

    關于腹足類軟體動物精子和精子發生的超微結構，國內研究甚少，國外研究較多；但有關中國圓田螺精子和精子發生的超微結構的研究，尚未見報道。
  7. Studies on spermatogenesis and oogenesis in palaemon modestus jiang ye - qin ( chemistry department, huzhou teachers coliege, huzhou 313000 ) palaemon modestus belongs to genus palaemon, family palaemonidae, caridea, natantia, decapoda, class crustacean. lt is a kind of freshwater prawn across china and especially abounds in the taihu lake which is regarded as one of the " three delicacies " of the taiha lake. as for the researches on palaemon modestus, v / e can only refer to spermatogenesis of freshwater shrimp exopalaemon modestus ^ ruang hai - xia et al, 2001 ), studies on reproductive biology of exopalaemon modestus l. the structure and development of the male reproductive system ( huang hai - xia et al, 1999 ) and studies on freshwater prawn in the taihu lake ( yan sheng - liang, 1999 ). on the bases of their researches and with the help of tem, i have made further researches on sperm ultrastructure, spermatogenesis, oogenesis and mature oocyte ultrastructure in palaemon modestus

    秀麗白蝦palaemonmodestus屬甲殼綱crustacea十足目decapoda游泳亞目natantia真蝦部caridae長臂蝦科palaemonidae長臂蝦屬palaemon ，是我國南北均產的淡水蝦，其中太湖產量尤其大，與太湖銀魚、鱭魚並稱「太湖三寶」 。有關秀麗白蝦的研究僅見秀麗白蝦雄性生殖系統的研究（黃海霞等， 1999 ） 、秀麗白蝦精子發生的研究（黃海霞等， 2001 ） 。本人在前人工作的基礎上，利用透射電鏡技術（ tem ）進一步研究了秀麗白蝦精子的形態、結構及精子的發生過程，同時還研究了秀麗白蝦卵的發育過程，從卵原細胞到卵黃發生前的卵母細胞、卵黃發生的卵母細胞及成熟卵細胞，各期卵細胞的形態結構特點及各部分結構的變化情況。
  8. 1. spermatogenesis spermatogenesis can be devided into five stagesrspermatogonium, primary spermatocyte, secondary spermatocyte, spermatozon and sperm

    精子發生精子發生可分為精原細胞、初級精母細胞、次級精母細胞、精細胞、精子五個階段。
  9. According to the changes of the structure of chromatin and the morphology of cell, the process of the typical spermatogenesis of cipangopaludina chinensis can be divided into five stages : spermatogonium, primary spermatocyte, secondary spermatocyte, spermatid and mature sperm

    中國圓田螺典型精子發生時，根據染色質和細胞形態的變化，可將其發生分為以下五個時期：精原細胞、初級精母細胞、次級精母細胞、精細胞和成熟精子。
  10. There are five developmental stages in the spermatogenesis, namely are primary spermatogonium, secondary spermatogonium, primary spermatocytes, secondaty spermatocytes and spermatids. the spermatids develop into sperm via the process of spermiogenesis. there exist cell junctions between two spermatids

    電子顯微鏡觀察表明：大眼鱖的精子發生和形成過程，經歷了初級精原細胞，次級精原細胞，初級精母細胞，次級精母細胞和精子細胞階段。
  11. Camp - responsive element modulator and spermatogenesis

    環磷酸腺苷應答元件調節器與精子發生
  12. Two strategies were used to identify the genes related to spermatogenesis : 1

    為了尋找與精子發生相關的基因，我們採用了兩種策略： 1
  13. Spermatogenesis start from every june or july, and sperm mature in august or sebtemper

    其精子發生從每年的6 、 7月份開始， 8 、 9月份形成成熟精子。
  14. P and pr have relationships with spermatogensis and sperm maturation. 6. the product of c - fos translocates from the cytoplasm of spermatogonia to nuclei of spermatogonia, then it induces the transcription of dna and regulate spermatogonial proliferation and spermatogenesis

    C fos產物從精原細胞胞質中轉移到胞核中后通過啟動dna的轉錄而調控精原細胞的增殖，從而促進精子發生的進程。
  15. In view of its high economic values, the author studied the ultrastructure of the mature sperm and spermatogenesis of cipangopaludina chinensis in order to supply the basic materials of the reproductive biology of cipangopaludina chinensis

    鑒于其較高的經濟價值，作者運用光鏡、電鏡和細胞化學方法，對中國圓田螺成熟精子和精子發生的超微結構進行研究，以期為中國圓田螺的繁殖生物學研究提供基礎資料。
  16. Nucleoli do not emerge in this process. the number of the organelles increase until secondary spermatocyte stage. mitochondria accumulate together, merging together with lysosomes and golgi bodies at the early spermatid stage, and finally the lamellar structure is formed, which forms the acrosome at last

    在精子發生過程中，線粒體、內質網和核糖體逐漸增多，其中線粒體數目在次級精母細胞階段達到頂峰，並形成線粒體區，精細胞早期核內出現膜性泡結構，同時次級溶酶體與高爾基體大量存在，這些細胞器共同形成片層復合體，並參與頂體的形成。
  17. Exopalarmon carinicanda there are two kinds of spermatogenium in this species, the second kind spermatogenium come from the first one. chromatins condense in each stage at different level. the nucleus changes into two forms : fibrous nuclear and vesicular nuclear

    在生精細胞階段核內染色質有不同程度的凝集，在成熟精子中核質分化成泡狀核和絲狀核，整個精子發生過程無核仁發現。
  18. This proliferation process stop or slow down in winter, and resumes in next march and april, mature sperm appears in august then is stored in testis, and spermiation occurs in the third march and april

    山溪鯢的精子發生從每年的8月開始，此時精原細胞開始增殖，到冬季停止或減慢進行，然後到次年4 - 5月份又進入增殖高峰。
  19. 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

    精子發生過程中，細胞器由少到多，到最後解體；細胞質從均勻分佈，到精細胞期極性分佈，最後殘留于成熟精子的頂帽和精核之間；細胞核在精原細胞期，染色質異固縮，胞核大，即核質比大於后續的精母細胞；在初級精母細胞中，染色質凝聚為sc復合體，到成熟精子，精核呈碟狀，染色質呈絲狀游離于非濃縮的核中。
  20. The result shows that sperm ultrastructure, spermatogenesis, oogenesis and mature oocyte structure all have the characteristics unique to palaemon modestus. therefore, my researches ca n ' t only enrich the contents of reproductive biology in crustacean but also provide basic references for pond culture in palaemon modestus

    結果顯示：秀麗白蝦精子結構、精子發生過程、卵子發生過程、成熟卵結構均有種的特屬性，從而本研究不僅可以豐富甲殼動物生殖生物學內容，同時也可為秀麗白蝦人工養殖提供基礎資料。
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