File:Stage15 bf2a.jpg
From Embryology
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Human embryo - 5 week
External appearance appears to be about a Carnegie stage 15 embryo.
- Week 5, 35 - 38 days, 7 - 9 mm
- Lateral view. Amniotic membrane removed.
- Ectoderm: sensory placodes, lens pit, otocyst, nasal pit, primary/secondary vesicles, fourth ventricle of brain,
- Mesoderm: heart prominence
- Head: 1st, 2nd and 3rd pharyngeal arch, forebrain, site of lens placode, site of otic placode, stomodeum
- Body: heart, liver, umbilical cord, mesonephric ridge
- Limb: upper and lower limb buds, hand plate
- Identify: midbrain region, nasal pit, lens pit, 1st, 2nd and 3rd pharyngeal arches, 1st pharyngeal groove, maxillary and mandibular components of 1st pharyngeal arch, fourth ventricle of brain, heart prominence, cervical sinus, upper limb bud, mesonephric ridge, lower limb bud, umbilical cord
- 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
Image: Dr Ed Uthman (Houston, Texas) - other pathology images
http://creativecommons.org/licenses/by/2.0/
Cite this page: Hill, M.A. (2024, March 29) Embryology Stage15 bf2a.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage15_bf2a.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:25, 21 July 2010 | 959 × 1,024 (344 KB) | S8600021 (talk | contribs) | ==Human embryo - 5 week== External appearance appears to be about a Carnegie stage 15 embryo. Original Author Legend :"This photo of an opened oviduct with an ectopic pregnancy features a spectacularly well preserved 10-millimeter embryo. It is uncom |
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