Parakeratosis is a mode of keratinization characterized by the retention of nuclei in the stratum corneum. In mucous membranes, parakeratosis is normal. In the skin, this process leads to the abnormal replacement of annular squames with nucleated cells. Parakeratosis is associated with the thinning or loss of the granular layer and is usually seen...
In medicine, this term is applied to the imperfect formation of horn cells of the epidermis.
<pathology> Persistence of the nuclei in the cells of the stratum corneum of the epidermis, as seen, for example: in psoriasis. ... (09 Oct 1997) ... 
(par″ә-ker″ә-to´sis) persistence of the nuclei of keratinocytes as they rise into the stratum corneum of the skin; it occurs normally in the epithelium of the true mucous membrane of the mouth and vagina.
In medicine, this term is applied to the imperfect formation of horn cells of the epidermis.
Type: Term Pronunciation: par′ă-ker′ă-tō′sis Definitions: 1. Retention of nuclei in the cells of the stratum corneum of the epidermis, observed in many scaling dermatoses such as psoriasis and subacute or chronic dermatitis.
A microscopic term referring to the retention of nuclei in the keratinocytes of the the keratinizing layer of epidermis (stratum corneum).
Any abnormality of the horny layer of the outer skin which prevents the formation of keratin.
Abnormal process of cornification.