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The ectoderm and endoderm are not shown directly opposed because the embryo was cut slightly lateral to the midline.

 

The prechordal plate contributes to the tissues that separate the stomodeum and foregut. This tissue is referred to as the buccopharyngeal membrane and consists of ectoderm opposed to endoderm.

 
                     Species: Mouse 
                     Day Gestation: 8 
             Approx. Human Age: 19 Days 
                                   View: Sagittal Cut 
                  Form Changes
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