File:Stage 11 historic-Atwell1930-4.jpg

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Human Embryo (Stage 11)

Historic drawing of the Carnegie stage 11, 19 somite pairs, approx 25 days. Ventral and Lateral external views, amnion and yolk sac removed.

  • Left hand image - ventral view, rostral half of embryo, neural tube, anterior neuropore, posterior neuropore, cardiac bulge, liver, midgut opening
  • Right hand image - lateral view, whole embryo, neural tube, anterior neuropore, cardiac bulge, otic placode, 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 links: External view 17 somite pairs | Sagittal section | upper embryo | lower embryo | Carnegie stage 11

Reference

Atwell WJ. A human embryo with seventeen pairs of somites. (1930) Contrib. Embryol., Carnegie Inst. Wash. Publ. 407, 21: 1-24.



Cite this page: Hill, M.A. (2019, April 20) Embryology Stage 11 historic-Atwell1930-4.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage_11_historic-Atwell1930-4.jpg

What Links Here?
© Dr Mark Hill 2019, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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current16:54, 3 September 2009Thumbnail for version as of 16:54, 3 September 20091,000 × 1,121 (114 KB)S8600021 (talk | contribs)Human Embryo Historic drawing of the Carnegie stage 11, 20 somite pairs, approx 25 days. Lateral sectional view, rostral half, amnion and yolk sac removed :Left hand image - showing neural tube, gastrointestinal tract, pericardial cavity, connecting s
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