Epidermal and dermal thickness.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001706:Biopsy; D004848:Epithelium / Q000033:anatomy & histology; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011829:Radiation Dosage; D012867:Skin / Q000033:anatomy & histology*