The evolution of man: a popular exposition of the principal points of human ontogeny and phylogene . ^- £ .. D. B. Fig. 329.—External sexual organs of the human embryo : A, neutralgerm (in the eighth week; twice the natural size; with cloaca) ; B^ neutralgerm (in the ninth week; twice the natural size; anus distinct from theurogenital opening); C, female germ in the eleventh week; D, male germin the fourteenth week; e, sexual protuberance (phallus); f, sexual furrow;hi, sexual folds; r, Eaphe (point of union of the penis and scrotum);a, anus; ug, urinary sexual opening; n, navel-cord; s, tail.
The evolution of man: a popular exposition of the principal points of human ontogeny and phylogene . ^- £ .. D. B. Fig. 329.—External sexual organs of the human embryo : A, neutralgerm (in the eighth week; twice the natural size; with cloaca) ; B^ neutralgerm (in the ninth week; twice the natural size; anus distinct from theurogenital opening); C, female germ in the eleventh week; D, male germin the fourteenth week; e, sexual protuberance (phallus); f, sexual furrow;hi, sexual folds; r, Eaphe (point of union of the penis and scrotum);a, anus; ug, urinary sexual opening; n, navel-cord; s, tail. (After Ecker.)Cf. Table XLIV., p. 431. the cloaca-opening. The apex of this is swollen into a knob(the acorn, glans). On the under side appears a furrow(sulcus genitalis, f), and on each side of the latter a skin-fold, or sexual fold (hi). The phallus is especially the organof the sexual sense, and over it are distributed the sexual FALSE HERMAPHRODITISM. 423 nerves (nervi pudendi) which are especially concerned inproducing the sexual sensations (p. 238). In the male thephallus develops into the masc
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Keywords: ., bookcentury1800, booksubjectembryologyhu, booksubjecthumanbeings
