Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 1012
umerous ; and ai they occur at tin- game pari ofthe course of so vend contiguous tubes they give rise to the appearanceof lines concentric with the centre of radiation. These secondarycurvatures probably indicate in dentine, as in the crabs shell, puccessive stages of calcification. The tubuli are… … Fig. G96.—TransverseMyliobates (eagleopaque object. section of tooth ofray), viewed as an than dentine, are frequently found associated with it ; the former istermed enamel, and the latter cementum or crusta petrosa. The enamelis composed of long prisms, closely resembling those of the 1 prismatic…
Microscopy
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