File:Stage 11 historic-Davis1923-2.jpg

From Embryology

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Human Embryo (Carnegie stage 11)

Historic drawing of the Carnegie stage 11, 20 somite pairs, approx 25 days.

Lateral sectional view, amnion and yolk sac removed

Left hand image - showing neural tube, gastrointestinal tract, pericardial cavity, connecting stalk
Right hand image - showing cardiovascular system, gastrointestinal tract, somites

About Carnegie stage 11

  • day 23 to 26
  • size 2.5 - 4.5mm CRL
  • somite pairs number 13 - 20

Features: heart, neural tube, forebrain, midbrain, hindbrain, posterior neuropore, somites, sensory placodes


Stage 11 Links: Week 4 | Somitogenesis | Placodes | Lecture - Mesoderm | Lecture - Ectoderm | Lecture - Early Vascular | Science Practical | Carnegie Embryos | Category:Carnegie Stage 11 | Next Stage 12
  Historic Papers: 1908 | 1920 | 1923 somites 20 | 1927 Heart | 1928 somites 17-23 | 1959 stage 11 | 1964 dysraphism


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


Image version links: Large 1000px | 800px | Medium 600px| Small 400px

Reference

Davis CL. Description of a human embryo having twenty paired somites. (1923) Carnegie Instn. Wash. Publ. 332, Contrib. Embryol., 15: 1-51.



Cite this page: Hill, M.A. (2024, April 24) Embryology Stage 11 historic-Davis1923-2.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage_11_historic-Davis1923-2.jpg

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

File history

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Date/TimeThumbnailDimensionsUserComment
current16:04, 3 September 2009Thumbnail for version as of 16:04, 3 September 2009768 × 1,000 (128 KB)S8600021 (talk | contribs)Human Embryo Historic drawing of the Carnegie stage 11, 20 somite pairs, approx 25 days. Lateral sectional view, amnion and yolk sac removed :Left hand image - showing neural tube, gastrointestinal tract, pericardial cavity, connecting stalk :Right h