Quain's elements of anatomy . se vertical section of it is club or flask-shaped. An increaseddevelopment then takes place at particular points, corresponding in situationwith the ten milk-teeth ; and the common enamel-germ thus becomes parted in 556 THE TEETH. its deeper portion, orextended by further growth, into as many distinct aggrega-tions of cells, or special enamel-g-erms,—one for each tooth—of a club or flask-shape, connected by a narrowed neck with what remains of the common epithelialingrowth (fig. 480, /), These tooth-germs, as they may now be called, arelodged each in its own reces
Quain's elements of anatomy . se vertical section of it is club or flask-shaped. An increaseddevelopment then takes place at particular points, corresponding in situationwith the ten milk-teeth ; and the common enamel-germ thus becomes parted in 556 THE TEETH. its deeper portion, orextended by further growth, into as many distinct aggrega-tions of cells, or special enamel-g-erms,—one for each tooth—of a club or flask-shape, connected by a narrowed neck with what remains of the common epithelialingrowth (fig. 480, /), These tooth-germs, as they may now be called, arelodged each in its own recess, wliich at this time is merely a i^it in the softembryonic tissue, without the membranous coats which afterwards are the bottom a papilla (fig. 481, 2^) meanwhile rises, soon becoming vas-cular, and assuming the shape of the future tooth-croAvn. It is received into acorresponding dimple of the enamel-germ, which now comes to resemble in forman inverted cup, and fits upon the papilla (fig. 481, A,/). Fis. 48L.
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Keywords: ., boo, bookcentury1800, booksubjectanatomy, booksubjecthumananatomy
