Somites

  • formed from paraxial mesoderm
  • segmental
  • produce sclerotome which migrates medially to produce vertebrae and ribs
  • remainder of somite is dermomyotome
  • separates into dermatome (dermis of neck, back, ventral and lateral trunk)
  • and myotome (epimere forms deep back muscles, hypomere forms muscles of body wall, migrating somitic cells form limb musculature)
 

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