What are enamel tufts characterized as?

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Fine hair-like structures originating from the enamel surface near the dentin-enamel junctionTuft-shaped formations that start at the dentin-enamel junction and extend into the enamelExtensions of odontoblastic processes penetrating the enamel layerNone of these

Explanation

Enamel tufts are microscopic, tuft-like structures that begin at the dentin-enamel junction and extend into the enamel. They are not projections from the enamel surface nor are they odontoblastic processes. Therefore, option B correctly describes enamel tufts.