File:Stage19 bf16.jpg
From Embryology
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Hill Collection Embryo
- Embryo No.3323 intact chorion. CRL 16.5mm.
- Embryo left lateral view inside intact amniotic sac and attached chorionic villi of the developing placenta.
- The embryo surface features appears to be approximately Carnegie stage 19 embryo.
- Same Embryo without amnionic sac.
Stage 19 General Information
- Week 7, 48 - 51 days, 16 - 18 mm
- Ectoderm: sensory placodes, lens pit, otocyst, nasal pits moved ventrally, fourth ventricle of brain
- Mesoderm: heart prominence, ossification continues
- Head: forebrain, eye, external acoustic meatus
- Body: straightening of trunk, heart, liver, umbilical cord
- Features - eyelid, eye, external acoustic meatus, auricle of external ear, digital ray, wrist, liver prominence
Image source: The images from the Hill Collection (part of the Embryological Collection) are reproduced with the permission of the Museum für Naturkunde, Leibniz Institute for Research on Evolution and Biodiversity. Images are for educational purposes only and must not be reproduced electronically or in writing without permission from the Museum für Naturkunde Berlin.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:37, 10 October 2013 | | 1,041 × 1,000 (99 KB) | Z8600021 (talk | contribs) | ==Hill Collection Embryo== Embryo No.3323 intact chorion. CRL 16.5mm. External appearance appears to be approximately Carnegie stage 19 embryo. ===Stage 19 General Information=== * Week 7, 48 - 51 days, 16 - 18 mm * Ectoderm: sensory placodes, lens... |
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