细鳞鲑早期发育过程中免疫器官发生
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中国水产科学研究院 黑龙江水产研究所, 黑龙江省冷水性鱼类种质资源及增养殖重点开放实验室, 中国水产科学研究院冷水性鱼类增养殖生物学与鱼类生理学重点开放实验室, 黑龙江 哈尔滨150070

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徐革锋(1979), 男, 助理研究员, 主要从事鱼类育种方面的研究. E-mail: xgffish@yahoo.com.cn

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S94

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农业公益性行业专项(201003055); 中央级公益性科研院所基本科研业务费专项(201002).


Ontogeny of immune organs during early developmental stages of Brachymystax lenok 
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Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences; Key Opening Laboratory of Cold-Water Fish Germplasm Resource and Aquaculture&Enhancement, Heilongjiang Province; Key Opening Laboratory of Cold-Water Fish Enhancement Bi

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    Abstract:

    betweenlateembryoandlarvalstageswasstudiedbymicroscopicobservationofserialsections.Atawatertemperatureof10.0–16.2°C,theorderofappearanceoflymphoidorganprimordiawasthymus,headkidneyandspleen.Theprimordiumofthethymusformed5dbeforehatchingandsmalllymphocytesappeared1dbeforehatching.Nineteendaysafterhatching,connectivetissueandbloodcapillariespenetratedintotheparenchymaofthethymusandthetrabeculaeappeared.Differentiationintoindistinctinnerandouterzonesoccurredafter35d.Theheadkidneyprimordium,whichconsistedofundifferentiatedhemopoieticstemcells,appeared2dbeforehatching.Kidneytubuleswereformed3dafterhatchingandlymphoidorgansafter10d.Between35dand40dafterhatching,theepitheliumoftherenaltubulesbegantodegradeandbloodsinusesappearedintheheadkidney.Whentherenaltubuleshaddegeneratedcompletely50dafterhatching,theheadkidneywascomposedprincipallyoflymphoidtissueandalargenumberofbloodsinuses.Thespleenprimordiumappeared5dafterhatchingandtheorganbecamelymphoidonthe16thday.Capillariesandbloodsinuseswereformedinthespleenbetween35dand50d.Weconcludethattheimmuneorgansaredifferentiatedearlierinthaninotherfishes.Althoughtheoveralldevelopmentratewasrelativelyslowin

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徐革锋,刘洋,牟振波,李永发.细鳞鲑早期发育过程中免疫器官发生[J].中国水产科学,2012,19(4):568-576
XU Gefeng, LIU Yang, MOU Zhenbo, LI Yongfa. Ontogeny of immune organs during early developmental stages of Brachymystax lenok [J]. Journal of Fishery Sciences of China,2012,19(4):568-576

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  • 在线发布日期: 2012-10-23
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