Neural Tube Movie

Embryology - 4 Dec 2023        Expand to Translate
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<html5media height="480" width="480">File:Neuraltube_001.mp4</html5media> Click Here to play on mobile device

Early Neural Development This animation of early neural development from week 3 onward shows the neural plate folded to a neural groove, that the fuses along its length to form the neural tube. Either end of the neural tube is the last part to close and are called the "neuropores". Closure of the human embryo neural tube occurs in week 4 (GA week 6). View - Dorsolateral of the whole early embryo and yolk sac. Cranial (head) to top and caudal (tail) to bottom. Yolk sac is shown to the left. Beginning with the neural groove initially fusing at the level of the 4th somite to form the neural tube. Then closing in both directions to leave 2 openings or neuropores that close last cranial neuropore (anterior neuropore). caudal neuropore (posterior neuropore). These neuropores are the last region of the neural tube to close and be lost from the embryo surface. In humans, the cranial neuropore closes about 2 days before the caudal neuropore. Failure of these opens, or any part of the neural tube, to close are described as neural tube defects. The animation also shows as the embryo grows and folds it increases in size relative to the initial yolk sac. Note also the increasing number of somites over time. Links: MP4 version | Neural Development | Lecture - Early Neural Development | Folic acid and NTDs | Movies  ‎‎Neural Plate Page | Play  ‎‎Neural Tube Page | Play Neural Links: ectoderm | neural | neural crest | ventricular | sensory | Stage 22 | gliogenesis | neural fetal | Medicine Lecture - Neural | Lecture - Ectoderm | Lecture - Neural Crest | Lab - Early Neural | neural abnormalities | folic acid | iodine deficiency | Fetal Alcohol Syndrome | neural postnatal | neural examination | Histology | Historic Neural | Category:Neural

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Cite this page: Hill, M.A. (2023, December 4) Embryology Neural Tube Movie. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Neural_Tube_Movie

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© Dr Mark Hill 2023, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G