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Basal plate (neural tube)

Field	Value
Name	Basal plate
Latin	lamina ventrolateralis; lamina basalis
Image	Gray646.png
Caption	Diagram to illustrate the alar and basal laminæ of brain vesicles.
Image2	Human embryo 8 weeks 9.JPG
Caption2	Basal plate
System	Nervous system
Precursor	Neural tube
GivesRiseTo	Lower motor neurons, interneurons

the structure in the developing nervous system

In the developing nervous system, the basal plate is the region of the neural tube ventral to the sulcus limitans. It extends from the rostral mesencephalon to the end of the spinal cord and contains primarily motor neurons, whereas neurons found in the alar plate are primarily associated with sensory functions. The cell types of the basal plate include lower motor neurons and four types of interneuron.

Initially, the left and right sides of the basal plate are continuous, but during neurulation they become separated by the floor plate, and this process is directed by the notochord. Differentiation of neurons in the basal plate is under the influence of the protein Sonic hedgehog released by ventralizing structures, such as the notochord and floor plate.

Gray642.png|The basal plate (basal lamina) is separated from the alar plate (alar lamina) by the sulcus limitans (unlabeled).

References

;Bibliography

References

Bruce M. Carlson. (2004). "Human Embryology and Developmental Biology". Mosby.

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

embryology-of-nervous-system

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