Definitions

from The Century Dictionary.

  • noun An affection of the horny layer of the skin marked by a depressed area bounded by an irregular raised ridge.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun pathology A disorder of keratinization that is characterized by the presence of a cornoid lamella, a thin column of closely stacked, parakeratotic cells extending through the stratum corneum with a thin or absent granular layer.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

poro- +‎ keratosis

Examples

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