Page 80 - Anatomy and Physiology of Farm Animals, 8th Edition
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Embryology / 65

                                    Ectoderm                Notochord
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                                    Endoderm               Mesoderm












                   Closing neural groove
                                                      Somite






                                                                      Intermediate mesoderm
                                                Somites

















                                                                Primitive
                                                                  gut




                                         Lateral plate mesoderm
               Figure 3-5.  Differentiation of mesoderm. Somites form most medially. These will give rise to the mus-
               cles and bones associated with the vertebral column. Lateral to the somites is the intermediate mesoderm,
               which will differentiate into tissues of the urogenital system. Most laterally, the lateral plate mesoderm
               will become part of the gastrointestinal wall and body wall.
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