This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Dyskeratosis means \nSelect and explain. \nA. Abnormal,premature keratinization within cells  below  the stratum granulosum, B. Discontinuity  of the  skin showing incomplete loss of epidermis, C. Thickening   of stratum corneum, often associated with a  qualitative  abnormality of keratin, D. Keratinization with retained nuclei in the stratum corneum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Abnormal,premature keratinization within cells\xa0 below the stratum granulosum-Dyskeratosis.\nDiscontinuity\xa0of the\xa0 skin showing incomplete loss of epidermis-Erosion.\nThickening\xa0of stratum corneum, often associated with a\xa0qualitative\xa0abnormality of keratin-Hyperkeratosis.\nKeratinization with retained nuclei in the stratum corneum.-Parakeratosis.', 'role': 'assistant'}]