Physiognomy personality. Physiognomy is also sometimes referred to as anthroposcopy, though the expression was more common in the 19th century when the word originated. Notions of the relationship between an individual's outward appearance and inner character are historically ancient, and occasionally appear in early Greek poetry. Siddhars from ancient India are also known to have defined "samudrika lakshanam" that identifies personal characteristics with body features. Chinese physiognomy or face reading ("mianxiang") reaches back at least to the Northern Song period. The first indications of a developed physiognomic theory appear in fifth century BC Athens, with the works of Zopyrus (who was
Sexual characteristics Sexual characteristics Sexual characteristics are physical or behavioral traits of an organism (typically of a sexually dimorphic organism) which are indicative of its biological sex. These can include sex organs used for reproduction and secondary sex characteristics which distinguish the sexes of a species, but which are not directly part of the reproductive system. In humans, sex organs or primary sexual characteristics, which are those a person is born with, can be distinguished from secondary sex characteristics, which develop later in life, usually during puberty. The development of both is controlled by sex hormones produced by the body after the