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==Human Embryo Carnegie Stage 13==
==Human Embryo Carnegie Stage 13==
5mm Embryo appears as Carnegie Stage 13 from ectopic pregnancy.


Week 4-5, 26 - 30 days, 3 - 5 mm, Somite Number 21 - 29
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
* Ectoderm: Neural tube continues to close, Caudal neuropore closes, forebrain
* Mesoderm: continued segmentation of paraxial mesoderm (21 - 29 somite pairs), heart prominence
* Mesoderm: continued segmentation of paraxial mesoderm (21 - 29 somite pairs), heart prominence

Revision as of 06:17, 12 August 2011

Human Embryo Carnegie Stage 13

5mm Embryo appears as Carnegie Stage 13 from ectopic pregnancy.

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

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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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