neural groove

anatomy

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July 1, 2026

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The neural groove is an early developmental structure in vertebrate embryos that forms from the neural plate. This thickened ectoderm along the dorsal midline elevates into folds, creating a gutter-like groove. These folds then fuse to form the neural tube, which is the precursor to the central nervous system, including the brain and spinal cord. The neural tube differentiates into distinct layers that become gray and white matter, housing nerve cells and fibers. The neural crests, which form alongside the neural tube, give rise to elements of the peripheral nervous system. Defects in neural tube closure can lead to severe developmental issues.123456

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prenatal development
Development between the second and fourth weeks
…definite gutterlike formation called the neural groove, which is the first indication of the future central nervous system. Beneath the groove, the mesodermal head process presently rounds into an axial rod, the notochord, that serves as a temporary “backbone.” By the end of the third week, a head fold, paired…
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…definite gutterlike formation called the neural groove, which is the first indication of the future central nervous system. Beneath the groove, the mesodermal head process presently rounds into an axial rod, the notochord, that serves as a temporary “backbone.” By the end of the third week, a head fold, paired…
Read More