Carnegie stage 11: Difference between revisions
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* [[Book_-_Contributions_to_Embryology_Carnegie_Institution_No.124|Carnegie Institution No.124 A human embryo with 17 pairs of somites]] | * [[Book_-_Contributions_to_Embryology_Carnegie_Institution_No.124|Carnegie Institution No.124 A human embryo with 17 pairs of somites]] | ||
* [[Book_-_Contributions_to_Embryology_Carnegie_Institution_No.72|Carnegie Institution No.72 Description of a human embryo having twenty paired somites]] | * [[Book_-_Contributions_to_Embryology_Carnegie_Institution_No.72|Carnegie Institution No.72 Description of a human embryo having twenty paired somites]] | ||
* [[Book_-_Text-Book_of_Embryology_8#Fig084|Text-Book of Embryology (1921) Fig. 84]] | |||
<gallery> | <gallery> |
Revision as of 13:40, 15 May 2011
Introduction
Facts
Week 4, 23 - 26 days, 2.5 - 4.5 mm, Somite Number 13 - 20
Events
Ectoderm: Neural tube continues to close, Rostral neuropore closes
Mesoderm: continued segmentation of paraxial mesoderm (13 - 20 somite pairs), heart tube bending
Features
rostral neuropore closing, forebrain, neural tube in region of developing spinal cord, somites, caudal neuropore, connecting stalk, amnion
Identify: heart, rostral (cranial, anterior) neuropore closing, forebrain, neural tube in region of developing spinal cord, somites, caudal neuropore, connecting stalk, amnion
- Links: Category:Carnegie Stage 11
- 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
Bright Field
Embryo dorsal view | Embryo ventral with 1 mm scale bar | Embryo lateral view |
Select image below to open full-size.
- Stage 11 Images: BF1 - dorsal view | BF2 - lateral view | BF3 - ventral with scale bar | BF4 - ventral view | BF5 - lateral view | BF6 - ventral view | BF7 - Kyoto embryo | BF8 - ventral head | BF9 - ventral head | BF10 - dorsal neural | BF11 - ventral embryo and yolk sac | Scanning EM embryo | Carnegie stage 11
Scanning EM
Buccopharyngeal Membrane
Neural Crest
Kyoto Collection
View: This is a dorsolateral view of embryo. Amniotic membrane removed.
Image source: Embryology page Created: 19.03.1999
Histology
Stage 11 histology links: optic pit | optic vesicle-hindbrain | neural tube roof plate 1 | neural tube roof plate 2
Historic Embryology
- Carnegie Institution No.131 A human embryo with 14 pairs of somites
- Carnegie Institution No.124 A human embryo with 17 pairs of somites
- Carnegie Institution No.72 Description of a human embryo having twenty paired somites
- Text-Book of Embryology (1921) Fig. 84
Additional Images
- 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 Source: Scanning electron micrographs of the Carnegie stages of the early human embryos are reproduced with the permission of Prof Kathy Sulik, from embryos collected by Dr. Vekemans and Tania Attié-Bitach. Images are for educational purposes only and cannot be reproduced electronically or in writing without permission.
Image source: The Kyoto Collection images are reproduced with the permission of Prof. Kohei Shiota and Prof. Shigehito Yamada, Anatomy and Developmental Biology, Kyoto University Graduate School of Medicine, Kyoto, Japan for educational purposes only and cannot be reproduced electronically or in writing without permission.
Cite this page: Hill, M.A. (2024, June 20) Embryology Carnegie stage 11. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Carnegie_stage_11
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G