The development of the human body; a manual of human embryology . Fig. 49.—A, Embryo S2, 15 mm. Long (showing Ectopia of the Heart) ;B, Embryo L3:, mm. Long.—{His.) In the embryos xxxv (S2) and xcix (L3) (Fig. 49, A andB) of His collection the straightening out of the neck bendis proceeding, and indeed is almost completed in embryoxcix, which begins to resemble closely the fully formedfetus. The tail filament, somewhat reduced in size, stillpersists and the rotundity of the abdomen continues to bewell marked. The neck region is beginning to be distin- IOO THE DEVELOPMENT OF THE HUMAN BODY

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The development of the human body; a manual of human embryology . Fig. 49.—A, Embryo S2, 15 mm. Long (showing Ectopia of the Heart) ;B, Embryo L3:, mm. Long.—{His.) In the embryos xxxv (S2) and xcix (L3) (Fig. 49, A andB) of His collection the straightening out of the neck bendis proceeding, and indeed is almost completed in embryoxcix, which begins to resemble closely the fully formedfetus. The tail filament, somewhat reduced in size, stillpersists and the rotundity of the abdomen continues to bewell marked. The neck region is beginning to be distin- IOO THE DEVELOPMENT OF THE HUMAN BODY. guishable in embryo xxxv and in embryo xcix the eyelidshave appeared as slight folds surrounding the conjuncti-val area. The nose and forehead are clearly defined bythe greater development of the nasal groove and the nosehas also become raised above the general surface of the

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectembryol, bookyear1902