The anal canal epithelium. A review.
D001003:Anal Canal / Q000033:anatomy & histology* / Q000473:pathology; D001005:Anus Neoplasms / Q000473:pathology; D002277:Carcinoma / Q000473:pathology; D004848:Epithelium / Q000033:anatomy & histology / Q000473:pathology; D006801:Humans