File:Stage13 bf4.jpg

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Revision as of 06:12, 12 August 2011 by S8600021 (talk | contribs) (==Human Embryo Carnegie Stage 13== Week 4-5, 26 - 30 days, 3 - 5 mm, Somite Number 21 - 29 * Ectoderm: Neural tube continues to close, Caudal neuropore closes, forebrain * Mesoderm: continued segmentation of paraxial mesoderm (21 - 29 somite pairs), hea)
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Human Embryo Carnegie Stage 13

Week 4-5, 26 - 30 days, 3 - 5 mm, Somite Number 21 - 29

  • Ectoderm: Neural tube continues to close, Caudal neuropore closes, forebrain
  • Mesoderm: continued segmentation of paraxial mesoderm (21 - 29 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, early upper limb bulge
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, June 15) Embryology Stage13 bf4.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage13_bf4.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G


3-to-4-weeks---5mm-embryo-1200px.jpg

5mm Embryo http://www.flickr.com/photos/lunarcaustic/5102540534/in/set-72157617368698808

This photo was taken on October 21, 2010 using a Nikon D700.

An embryo from an ectopic pregnancy which is approximately 3 to 4 weeks estimated gestational age from conception. It was 0.5 cm long. See larger view for detail.

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current06:12, 12 August 2011Thumbnail for version as of 06:12, 12 August 20111,200 × 800 (132 KB)S8600021 (talk | contribs)==Human Embryo Carnegie Stage 13== Week 4-5, 26 - 30 days, 3 - 5 mm, Somite Number 21 - 29 * Ectoderm: Neural tube continues to close, Caudal neuropore closes, forebrain * Mesoderm: continued segmentation of paraxial mesoderm (21 - 29 somite pairs), hea

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