Development Animation - Week 1
Embryology - 29 Mar 2024 Expand to Translate |
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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.
- Week 1 Links: MP4 version | Quicktime version | Week 1 Overview Movie | Lecture - Week 1 and 2 Development | Week 1 | Blastocyst | Human Blastocyst Mitosis | Blastomere Mitosis Movie | Cell Division - Mitosis | Carnegie stage 3
Source: UNSW Embryology Thanks to the late Prof William Larsen for allowing permission to use animations based on images from his textbook. (More? movie technical information)
Links: Movies Page | Category:Movies
Cite this page: Hill, M.A. (2024, March 29) Embryology Development Animation - Week 1. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Development_Animation_-_Week_1
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G