dentine

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“
A mammalian tooth has essentially the same structure: an outer coat of enamel, derived from epiblast, overlies a mass of dentine, resting on bone, but the dentine is excavated internally, to form a pulpcavity containing blood-vessels and nerves.

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Definitions (4)

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  1. See dentin.

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Examples (50)

  • The growth hormone ensures that the tooth pulp, bone, dentine, and other vital parts are properly nurtured.—Science Service Cadmium in Human Kidneys S CIENTISTS have discovered high concentrations of cadmium in the human kidneys. —  August, 1953
  • Placoid scales, which consist of an outer layer of an enamel-like substance, an inner stratum of dentine, and a pulp cavity, are exhibited by sharks.
  • Thin, translucent, and lacking enamel as well as dentine, these modern structures are known as cycloid and ctenoid scales.
  • The scales, which unlike other types of fish scales do not get larger as the shark grows, are similar in structure to teeth, consisting of three layers: a hard outer enamel-like layer, a middle stratum of dentine, and a central vascular pulp cavity.
  • Teeth are shaded brown, with darker brown representing enamel, and lighter brown representing roots and exposed dentine. —  PLoS ONE Alerts: New Articles
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