6. Slit open one Fallopian tube, cornu, and body of the uterus as far
as the junction of the divisions of the body of the uterus.
_b._ Remove the ventral wall of the pelvis on one side only and find the
vagina and urogenital sinus (p. 267). The levator ani muscle (p. 269,
and Fig. 162, 11) must be cut and reflected.
1. Note the constrictor vestibuli, caudovaginalis, and urethralis
muscles (p. 272, and Fig. 114).
2. Introduce a probe from the uterus into the vagina and feel with the
finger for the hard cervix uteri (p. 266). Then open the vagina on the
side, but do not cut the os uteri (p. 266).