Development Animation - Week 1: Difference between revisions
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#REDIRECT [[Week_1_Movie]] | |||
{{Movie header}} | |||
<wikiflv width="640" height="200" autoplay="true" position="left">Week1_001.flv|File:Week1_001_icon.jpg</wikiflv> | {| | ||
| <wikiflv width="640" height="200" autoplay="true" position="left">Week1_001.flv|File:Week1_001_icon.jpg</wikiflv> | |||
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==Animation summarising early development in the first week following fertilization== | ==Animation summarising early development in the first week following fertilization== | ||
* The [[C#conceptus|conceptus]] proceeds through embryonic cell cycle rounds of mitosis still enclosed within the [[Z#zona pellucida|zona pellucida]]. Progressing from a [[Z#zygote|zygote]], to [[B#blastomere|blastomeres]], then to a [[M#morula|morula]] and finally to a [[B#blastocyst|blastocyst]]. | * The [[C#conceptus|conceptus]] proceeds through embryonic cell cycle rounds of mitosis still enclosed within the [[Z#zona pellucida|zona pellucida]]. Progressing from a [[Z#zygote|zygote]], to [[B#blastomere|blastomeres]], then to a [[M#morula|morula]] and finally to a [[B#blastocyst|blastocyst]]. | ||
* The uterine tube epithelium consists of ciliated cells that are moving the secreted fluid towards the uterine body. The conceptus is floating "boat-like" within this fluid and moved in the same direction. | * The uterine tube epithelium consists of ciliated cells that are moving the secreted fluid towards the uterine body. The conceptus is floating "boat-like" within this fluid and moved in the same direction. | ||
* Towards the end of the first week the blastocyst has reached the uterine body and from about day 5 onwards, the blastocyst "hatches" from the surrounding [[Z#zona pellucida|zona pellucida]]. | * Towards the end of the first week the blastocyst has reached the uterine body and from about day 5 onwards, the blastocyst "hatches" from the surrounding [[Z#zona pellucida|zona pellucida]]. | ||
* The conceptus can now receive nutrition directly and can commence the process of implantation in [[week 2]]. | * The conceptus can now receive nutrition directly and can commence the process of implantation in [[week 2]]. | ||
Latest revision as of 12:44, 1 March 2013
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| File:Week1_001_icon.jpg</wikiflv> |
Animation summarising early development in the first week following fertilization
- The conceptus proceeds through embryonic cell cycle rounds of mitosis still enclosed within the zona pellucida. Progressing from a zygote, to blastomeres, then to a morula and finally to a blastocyst.
- The uterine tube epithelium consists of ciliated cells that are moving the secreted fluid towards the uterine body. The conceptus is floating "boat-like" within this fluid and moved in the same direction.
- Towards the end of the first week the blastocyst has reached the uterine body and from about day 5 onwards, the blastocyst "hatches" from the surrounding zona pellucida.
- The conceptus can now receive nutrition directly and can commence the process of implantation in week 2.
