#mesoderm__mesoblast  the middle germ layer that develops into muscle and bone and cartilage and blood and connective tissue
  supertype:  #germ_layer  (embryology) any of the 3 layers of cells differentiated in embryos following gastrulation
  subtype:  #chordamesoderm__chordomesoderm  the area of mesoderm that forms the notochord
  subtype:  #mesenchyme  mesodermal tissue that forms connective tissue and blood and smooth muscles

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