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Remnants of the buccopharyngeal membrane are seen between the stomodeum and the pharynx, separating the ectodermally and endodermally covered portions of the first pharyngeal arch.

                     Species: Mouse 
                     Day Gestation: 9 
             Approx. Human Age: 29 days 
                                   View: Dorsal 
                Pharyngeal Arches
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