电脑桌面
添加小米粒文库到电脑桌面
安装后可以在桌面快捷访问

老鼠胚胎发育时期示意图

老鼠胚胎发育时期示意图_第1页
1/25
老鼠胚胎发育时期示意图_第2页
2/25
老鼠胚胎发育时期示意图_第3页
3/25
Theiler Stage 1 - One-cell eggFertilizedone-cellstageegg(embryo),zonapellucidapresent(shownin red).0-0.9dpc(range0-2.5)Scalebarin micronsTheiler Stage 2 - Dividing eggDividingeggstage,zonapellucidapresent(shownin red).Firstcleavageoccursat about24hours.1 dpc(range1-2.5)2-4cells.Scalebarin micronsTheiler Stage 3 - MorulaFour-to 16-cellstageembryosfromearlyto fullycompactedmorula.Zonapellucidapresent(showninred).Embryosin theoviducttowardsutero-tubaljunction.2 dpc(range1-3.5)4-16cells.Allscalebarsin microns.Theiler Stage 4 - Blastocyst (ICM apparent)Embryoprogressesfrommorulato theblastocyststillwithinthezonapellucida(showninred).Thereisearlyevidenceof theblastocoeliccavity.3dpc(range2-4)16-40compactedcells.Allscalebarsin microns.Intheblastocyststage(zona-intact)thereis adistinctinnercellmassandan outerlayeroftrophectodermcells.Usuallylocatedin theuterinelumen.Theiler Stage 5 - Blastocyst (zona-free)Blastocy st(zona-free),invariablylocatedwithintheuterinelumen.4dpc(range3-5.5)Scalebarin micronsTheiler Stage 6 - Attachment of blastocy stBlastocy stsimplants,firstevidenceofembry onicendodermcellscoveringtheblastceolicsurfaceoftheinnercellmass.4.5dpc(range4-5.5)WitschiStage8(rat)CarnegieStage4(human)ScalebarTheiler Stage 7 - Implantation and formation of EggCy linderEctoplacentalconeappears.Rapidincreasein thenumberof innercellmasscellsleadingtotheformationoftheepiblastwithsubsequentgrowthto formtheeggcylinder.Theproximalor visceralcells(oppositesidefromthetrophoblasticcap)arecuboidalin shape.Primaryendodermlinesthemuraltrophectoderm.5dpc(range4.5-6)WitschiStage10(rat)CarnegieStage5(human)ScaleTheiler Stage 8 - Differentiation of egg cylinderImplantationsite2x3mm.Thematernaltissueisinvadedbytrophoblast(primary)giantcellsandtheectoplacentalconeisinvadedbymaternalblood.Differentiationof theeggcylinderintoembryonicandextraembryonicregionsandtheformationof theproamnioticcavity.Reichert'smembrane,w...

1、当您付费下载文档后,您只拥有了使用权限,并不意味着购买了版权,文档只能用于自身使用,不得用于其他商业用途(如 [转卖]进行直接盈利或[编辑后售卖]进行间接盈利)。
2、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。
3、如文档内容存在违规,或者侵犯商业秘密、侵犯著作权等,请点击“违规举报”。

碎片内容

老鼠胚胎发育时期示意图

确认删除?
VIP
微信客服
  • 扫码咨询
会员Q群
  • 会员专属群点击这里加入QQ群
客服邮箱
回到顶部