Carnegie stage 3: Difference between revisions
From Embryology
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* Human blastocyst (day 5) still within zone pellucida. | * Human blastocyst (day 5) still within zone pellucida. | ||
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[[Image:CSt3.jpg]] | | [[Image:CSt3.jpg]] | ||
Human Blastocyst "hatching" from zona pellucida, in early Embryonic Development designated as Carnegie stage 3. | | Human Blastocyst "hatching" from zona pellucida, in early Embryonic Development designated as Carnegie stage 3. | ||
Blastocyst is too the right of image and Zona pellucida is shown to the left of the image. | Blastocyst is too the right of image and Zona pellucida is shown to the left of the image. | ||
Note: | Note: | ||
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* inner cell mass shown in the centre of the image and on the left-hand wall of the blastocyst | * inner cell mass shown in the centre of the image and on the left-hand wall of the blastocyst | ||
* blastocoel forming a large fluid-filled space within the blastocyst | * blastocoel forming a large fluid-filled space within the blastocyst | ||
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'''Facts:''' Week 1, 4 - 5 days, size 0.1-0.2 mm | '''Facts:''' Week 1, 4 - 5 days, size 0.1-0.2 mm | ||
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'''Features:''' [[zona pellucida]], [[T#trophoblast shell|trophoblast shell]], [[I#inner cell mass|inner cell mass]], [[B#blastoceol|blastoceol]] | '''Features:''' [[zona pellucida]], [[T#trophoblast shell|trophoblast shell]], [[I#inner cell mass|inner cell mass]], [[B#blastoceol|blastoceol]] | ||
Revision as of 15:20, 1 August 2011
- Human blastocyst (day 5) still within zone pellucida.
Facts: Week 1, 4 - 5 days, size 0.1-0.2 mm
Features: zona pellucida, trophoblast shell, inner cell mass, blastoceol
- Carnegie Stages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | About Stages | Timeline
Cite this page: Hill, M.A. (2024, April 26) Embryology Carnegie stage 3. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Carnegie_stage_3
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G