Development of Limb

The development of the limb begins from the limb bud after organisation and influence of the primitive streak. The limb differentiates in situ most especially the mesenchyme which may be derived from the mesenchyme of the body wall  which is the somatopleuric mesenchyme. The muscles are not formed from myotomes but differentiate within the limb buds and followed by their nerve and blood supply. After then any where they migrate into they carry along their blood vessels and nerve and their migratory movement leads to fusion, extension and recombination of the nerve fibers and hence the formation of plexus in the limbs.


Limb development video


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