The attached video provides an extensive, in-depth explanation of the mesoderm. It also provides a brief review of the events leading up to its formation, how it forms the somites and the primary and secondary derivatives. 00:00 Three Germ Layers & Notochord 04:20 Differentiation of Mesoderm 07:06 Paraxial Mesoderm & Somitogenesis 09:07 Formation of Dermatome, Myotome and Sclerotome 11:01 Fate of Paraxial Mesoderm 14:10 Intermediate Mesoderm & its Fate 16:35 Lateral Plate Mesoderm 20:36 Other Derivatives of Lateral Plate Mesoderm 24:12 Mnemonic