File:Stage10 neural sm.jpg

From Embryology
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Human Embryo Week 4 - Neural Plate to Tube

Week 4 (22 - 23 days), Carnegie stage 10, 2 - 3.5 mm, Somite Number 4 - 12

View: This is a similar dorsal view of two separate embryos, amniotic membrane removed. Left embryo is an early stage 10 with broad neural plate. Right embryo is late stage 10 with plate folding to a neural groove.

Features: Somite Number 4 - 12, rostral neuropore, neural folds in region of developing brain, neural tube, somites, caudal neuropore, neural fold fuses, remnant of amniotic sac

Identify: rostral neuropore, neural folds in region of developing brain, neural tube, somites (note the different number formed), caudal neuropore, neural fold fuses, cut edge of amniotic sac

Events
Ectoderm: Neural fold deeepens, edges approach midline, neural fold fuses, neural plate folds ventrally in brain region

Mesoderm: Somitogenesis, continued segmentation of paraxial mesoderm (4 - 12 somite pairs)


Links: Neural Development | Lecture - Early Neural Development | Somitogenesis


Stage 10 Links: Week 4 | Gastrulation | Lecture | Practical | Image Gallery | Carnegie Embryos | Embryos | Category:Carnegie Stage 10 | Next Stage 11
  Historic Papers: 1910 | 1917 | 1926 | 1939 | 1943 | 1957 | 1985
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
Neural Links: neural | ventricular | ectoderm | Stage 22 | gliogenesis | neural fetal | Medicine Lecture - Neural | Lecture - Ectoderm | Lecture - Neural Crest | Lab - Early Neural | neural crest | Sensory | neural abnormalities | folic acid | iodine deficiency | Fetal Alcohol Syndrome | Postnatal | Postnatal - Neural Examination | Histology | Historic Neural | Category:Neural

Cite this page: Hill, M.A. (2019, March 20) Embryology Stage10 neural sm.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage10_neural_sm.jpg

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

File history

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Date/TimeThumbnailDimensionsUserComment
current15:28, 10 August 2009Thumbnail for version as of 15:28, 10 August 2009665 × 499 (22 KB)MarkHill (talk | contribs)Carnegie stage 10 small image showing neuralation About Carnegie stage 10 Facts: Week 4, 22 - 23 days, 2 - 3.5 mm, Somite Number 4 - 12 View: This is a dorsal view of the embryo. Top embryo is an early stage 10, bottom is late stage 10. Amniotic membra
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