Reference > Anatomy of the Human Body > Page 1214
Henry Gray (1825–1861).  Anatomy of the Human Body.  1918.
the genital tubercle grow backward as the genital swellings, which ultimately form the labia majora; the tubercle itself becomes the mons pubis. The labia minora arise by the continued growth of the lips of the groove on the under surface of the phallus; the remainder of the phallus forms the clitoris.

FIG. 1119– Stages in the development of the external sexual organs in the male and female. (Drawn from the Ecker-Ziegler models.) (See enlarged image)

  In the male the early changes are similar, but the pelvic portion of the cloaca undergoes much greater development, pushing before it the phallic portion. The genital swellings extend around between the pelvic portion and the anus, and form a scrotal area; during the changes associated with the descent of the testes this area is drawn out to form the scrotal sacs. The penis is developed from the phallus. As in the female, the urogenital membrane undergoes absorption, forming a channel on the under surface of the phallus; this channel extends only as far forward as the corona glandis.
  The corpora cavernosa of the penis (or clitoris) and of the urethra arise from the


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