parakeratosis
/ˌparəkɛrəˈtəʊsɪs/Pathology and Medicine
noun
Originally: abnormal keratinization or cornification; any disorder characterized by this. Later: specifically retention of nuclei by cells of the stratum corneum, as a normal or abnormal finding.
Origin
Late 19th century. From para- + keratosis, after German Parakeratose.