prismata adamantina

prismata adamantina
adamantine prisms: the structural units of the tooth enamel, consisting of parallel rods or prisms composed mainly of hydroxyapatite crystals and organic substance and held together with a cement substance, each prism being enveloped in a sheath. Called also enamel prisms or rods.

Medical dictionary. 2011.

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  • prisma — A structure resembling a prism. [G. something sawed, a prism] prismata adamantina the calcified, microscopic rods radiating from the surface of the dentin, forming the substance of the enamel of a tooth. SYN: enamel fibers, enamel prisms …   Medical dictionary

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