File:Stage14 bf27.jpg
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Human Embryo Carnegie Stage 14
- Embryo amniotic membrane removed
- Larger cavity is chorionic space (coelom).
- Small sac at left connected to umbilical region is the yolk sac.
- Placental villi are visible outside chorionic membrane.
- Placental blood vessels are visible extending lower left from umbilicus.
Stage 14
- Week 5, 31 - 35 days, 5 - 7 mm
- Gestational Age GA week 7
- Mesoderm: continued segmentation of paraxial mesoderm (30+ somite pairs), heart prominence
- Head: 1st, 2nd and 3rd pharyngeal arch, forebrain, site of lens placode, site of otic placode, stomodeum
- Body: heart, liver, umbilical, upper and early lower limb bud
- 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, May 24) Embryology Stage14 bf27.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage14_bf27.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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| current | 22:02, 14 June 2016 | | 1,000 × 1,291 (208 KB) | Z8600021 (talk | contribs) |
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