. The development of the human body : a manual of human embryology. Embryology; Embryo, Non-Mammalian. 288 DEVELOPMENT OF THE TEETH socket. As the tooth increases in size, its extremity is brought nearer to the surface of the gum and eventually breaks through, the eruption of the first teeth usually taking place during the last half of the first year after birth. The growth of the permanent teeth -£ -Od. Fig. 173.—Section through the First Molar Tooth of a Rat, Twelve Days Old. Ap, Periosteum; E, dentine; Ep, epidermis; Od, odontoblasts; S, enamel; SEa and SEi, outer and inner layers of the
. The development of the human body : a manual of human embryology. Embryology; Embryo, Non-Mammalian. 288 DEVELOPMENT OF THE TEETH socket. As the tooth increases in size, its extremity is brought nearer to the surface of the gum and eventually breaks through, the eruption of the first teeth usually taking place during the last half of the first year after birth. The growth of the permanent teeth -£ -Od. Fig. 173.—Section through the First Molar Tooth of a Rat, Twelve Days Old. Ap, Periosteum; E, dentine; Ep, epidermis; Od, odontoblasts; S, enamel; SEa and SEi, outer and inner layers of the enamel organ; SE, portion of the enamel organ which does not produce enamel.—(von Brunn.) proceeds slowly at first, but later it becomes more rapid and pro- duces pressure upon the roots of the primary teeth. These roots then undergo partial absorption, and the teeth are thus loosened. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original McMurrich, J. Playfair (James Playfair), 1859-1939. Philadelphia : P. Blakiston's son & co.
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Keywords: ., bookautho, bookcentury1900, bookdecade1910, booksubjectembryology
