Mesenchyme
Encyclopedia : M : ME : MES : Mesenchyme
Embryology: Mesenchyme
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| colspan="2" |Latin mesenchyma
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|Carnegie stage 6b ]
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|Precursor mesoderm
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|Dorlands/Elsevier [m_10/12526276 ]
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Mesenchyme (also known as embryonic connective tissue ) is the mass of tissue that develops mainly from the mesoderm (the middle layer of the trilaminar germ disc ) of an embryo . Viscous in consistency, mesenchyme contains collagen bundles and fibroblasts . Mesenchyme later differentiates into blood vessel s, blood-related organs, and connective tissues.
Embryonic connective tissue (mesenchyme):
All organs in the body contain mesenchyme.
Ectomesenchyme
Ectomesenchyme has similar properties to mesenchyme. The major difference is that ectomesenchyme arises from neural crest cells , which are a critical group of cells that form in the cranial region during early human development. Thus, ectomesenchyme plays a critical role in the formation of the hard and soft tissues of the head and neck such as bones, muscles and most importantly the branchial arches .
See also
External links
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