Spontaneous nonmetastatic choriocarcinoma, yolk sac carcinoma, embryonal carcinoma, and teratoma in the testes of a swiss albino mouse.

A 12-week-old Swiss Albino mouse was presented with unilateral (left) testicular enlargement of approximately 1.5 cm in diameter and the right testicle mildly reduced in size and weight. Histopathology evaluation revealed three distinct neoplasms in the left testicle: choriocarcinoma, yolk sac carcinoma, and embryonal carcinoma.

Reproductive effects of ethnomedicinal formulation of tape-vine leaves in female rats.

Documented ethno-contraceptive use of Tape-vine or Stephania japonica (THUNB.) MIERS., Syn.