Prayer nodules.
D000368:Aged; D003560:Cysts / Q000209:etiology / Q000473:pathology; D005148:Facial Dermatoses / Q000209:etiology* / Q000473:pathology; D005546:Forehead; D006801:Humans; D007514:Islam; D008297:Male; D008875:Middle Aged; D012068:Religion and Medicine; D012867:Skin / Q000473:pathology