Paraxial mesoderm
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Embryology: Paraxial mesoderm | ||
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Transverse section of a chick embryo of forty-five hours’ incubation. * Chordamesoderm: yellow, at notochord. * Paraxial mesoderm: red, at somite. * Intermediate mesoderm: purple, near Wolffian duct. * Lateral plate mesoderm: purple, near "Somatic mesoderm" and "Splanchic mesoderm". |
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Chick embryo of thirty-three hours’ incubation, viewed from the dorsal aspect. (Paraxial mesoderm labeled at left.) | ||
Gray's | subject #6 50 | |
Carnegie stage | 9 | |
Gives rise to | somitomere, head mesoderm | |
Dorlands/Elsevier | m_11/12527037 |
Paraxial mesoderm is the area of mesoderm that forms just lateral to the neural tube on both sides.
It gives rise to the somitomeres/somites and mesoderm of the branchial arches.
- Somites form the vertebral column dermis and skeletal muscle
- Branchial arches will develop into facial muscle and cartilage, plus other structures.
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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.