Formation of an anuclear keratin layer, as in the normal epidermis. [ortho- + G. keras, horn, + -osis, condition]

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or·tho·ker·a·to·sis (or″tho-ker″ə-toґsis) thickening of the stratum corneum without parakeratosis, i.e., without the abnormal retention of keratinocyte nuclei.

Medical dictionary. 2011.

Look at other dictionaries:

  • ортокератоз — (orthokeratosis; орто + кератоз) см. Ортокератинизация …   Большой медицинский словарь

  • Ортокерато́з — (orthokeratosis; Орто + Кератоз) см. Ортокератинизация …   Медицинская энциклопедия

  • epidermolytic hyperkeratosis — an autosomal dominant disorder of keratinization caused by mutation in the keratin genes KRT1 (locus: 12q13) and KRT10 (locus: 17q21 q22), resulting in structural defects in tonofibrils. It is present at birth and characterized by generalized… …   Medical dictionary

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