File:Stage14 bf24.jpg
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Human Embryo (Carnegie stage 14)
Embryo appears as Carnegie Stage 14 from ectopic pregnancy.
- Embryo is partially enclosed in amniotic membrane.
- 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 Links: Embryo lateral view | Embryo lateral view (small) | Embryo lateral view (medium) | Embryo lateral view (large) | Virtual Slide | Embryo ventral view (small) | Embryo ventral view (medium) | Embryo ventral view (large) | Virtual Slide | Carnegie stage 14 | Week 5
Week: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Carnegie stage: | 1 2 3 4 | 5 6 | 7 8 9 | 10 11 12 13 | 14 15 | 16 17 | 18 19 | 20 21 22 23 |
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
Image: Dr Steven O'Connor (Houston, Texas) - Other embryo images.
Cite this page: Hill, M.A. (2024, June 5) Embryology Stage14 bf24.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage14_bf24.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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current | 15:46, 16 March 2014 | 1,231 × 923 (156 KB) | Z8600021 (talk | contribs) | ==Human Embryo Carnegie Stage 14== Embryo appears as Carnegie Stage 14 from ectopic pregnancy. * Embryo is partially enclosed in amniotic membrane. * Larger cavity is chorionic space (coelom). * Small sac at left connected to umbilical region is the yo... |
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