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| Facts: Week 4, 23 - 26 days, 2.5 - 4.5 mm, Somite Number 13 - 20 | | Facts: Week 4, 23 - 26 days, 2.5 - 4.5 mm, Somite Number 13 - 20 |
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| | | {{Template:Carnegie_stages}} |
| ===Carnegie Stages Link===
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| [[Carnegie_stage_1|1]] | [[Carnegie_stage_3|3]] | [[Carnegie_stage_7|7]] | [[Carnegie_stage_8|8]] | [[Carnegie_stage_9|9]] | [[Carnegie_stage_10|10]] | [[Carnegie_stage_11|11]] | [[Carnegie_stage_12|12]] | [[Carnegie_stage_13|13]] | [[Carnegie_stage_14|14]] | [[Carnegie_stage_15|15]] | [[Carnegie_stage_16|16]] | [[Carnegie_stage_17|17]] | [[Carnegie_stage_18|18]] | [[Carnegie_stage_19|19]] | [[Carnegie_stage_20|20]] | [[Carnegie_stage_21|21]] | [[Carnegie_stage_22|22]] | [[Carnegie_stage_23|23]]
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| == About Carnegie Stages ==
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| Carnegie stages are named after the famous US Institute which began collecting and classifying embryos in the early 1900's. Stages are based on the external and/or internal morphological development of the embryo, and are not directly dependent on either age or size. The human embryonic period proper is divided into 23 Carnegie stages. Carnegie stages are based on the external and/or internal morphological development of the embryo, and are not directly dependent on either age or size. Criteria beyond morphological features include age in days, number of somites present, and embryonic length.
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| The Kyoto Collection images are reproduced with the permission of '''Prof. Kohei Shiota'''. Scanning electron micrographs of the Carnegie stages of the early human embryos are reproduced with the permission of '''Prof Kathy Sulik'''. Images are for educational tutorial/revision purposes and cannot be reproduced electronically or in writing without permission.
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| == UNSW Embryology Links ==
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| * [http://embryology.med.unsw.edu.au/wwwhuman/Stages/stage11.htm Embryology Carnegie stage 10 Created: 19.03.1999]
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| * [http://embryology.med.unsw.edu.au/wwwhuman/Stages/carnegie.htm About the Carnegie Institute]
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| ===Glossary Links===
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| [[A|A]] | [[B|B]] | [[C|C]] | [[D|D]] | [[E|E]] | [[F|F]] | [[G|G]] | [[H|H]] | [[I|I]] | [[J|J]] | [[K|K]] | [[L|L]] | [[M|M]] | [[N|N]] | [[O|O]] | [[P|P]] | [[Q|Q]] | [[R|R]] | [[S|S]] | [[T|T]] | [[U|U]] | [[V|V]] | [[W|W]] | [[X|X]] | [[Y|Y]] | [[Z|Z]]
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| :Dr Mark Hill 2009, '''''UNSW Embryology''''' ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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| [[Category:Human Embryo]] [[Category:Carnegie Stage]] [[Category:Week 4]] | | [[Category:Human Embryo]] [[Category:Carnegie Stage]] [[Category:Week 4]] |
Revision as of 14:49, 19 August 2009
Facts: Week 4, 23 - 26 days, 2.5 - 4.5 mm, Somite Number 13 - 20
View: This is a dorsolateral view of embryo. Amniotic membrane removed.
Features: rostral neuropore closing, forebrain, neural tube in region of developing spinal cord, somites, caudal neuropore, connecting stalk, amnion
Identify: heart, rostral neuropore closing, forebrain, neural tube in region of developing spinal cord, somites, caudal neuropore, connecting stalk, amnion
Stage 11 Labelled | Stage 11 SEM
Events
Ectoderm: Neural tube continues to close, Rostral neuropore closes
Mesoderm: continued segmentation of paraxial mesoderm (13 - 20 somite pairs), heart tube bending
Image source: Embryology page Created: 19.03.1999
- 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 24) Embryology Carnegie stage 11. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Carnegie_stage_11
- What Links Here?
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
