. The science and practice of dental surgery. The cartilages of the nose are derived fromthe septal and ethmoidal cartilages, themselvesderivatives of the trabeculae cranii (see Fig. 20).The pterygo-palatine cartilage, which formsthe primitive support of the maxillary process. A, AAOFig. 19.—Showing tlie position of the lieart and tlierelation of tlie aortic arclies to the visceral orgill-clefts in a tish (after Gegenbaur).Auricle; V, Ventricle; BA, Bulbus arteriosus;VA, Ventral aorta; DA, Dorsal aorta; C, Carotidartery; AA^, Artery of first or mandibular arch;AA=^, Artery of fifth arch; AA«,

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. The science and practice of dental surgery. The cartilages of the nose are derived fromthe septal and ethmoidal cartilages, themselvesderivatives of the trabeculae cranii (see Fig. 20).The pterygo-palatine cartilage, which formsthe primitive support of the maxillary process. A, AAOFig. 19.—Showing tlie position of the lieart and tlierelation of tlie aortic arclies to the visceral orgill-clefts in a tish (after Gegenbaur).Auricle; V, Ventricle; BA, Bulbus arteriosus;VA, Ventral aorta; DA, Dorsal aorta; C, Carotidartery; AA^, Artery of first or mandibular arch;AA=^, Artery of fifth arch; AA«, Artery of sixtharch; GC, Gill-cleft; E, Eye; NP, Nasal sixth arch shown hi the diagram does not becomedifferentiated from the body SHL GH

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentistry, bookyear19