Ultrastructure of an atrophic type of senile keratosis.
D000368:Aged; D001284:Atrophy; D005260:Female; D006801:Humans; D007642:Keratosis / Q000473:pathology*; D008297:Male; D011230:Precancerous Conditions / Q000648:ultrastructure*; D012878:Skin Neoplasms / Q000648:ultrastructure*