Placental, ovarian and testicular lipoids Fellner’a (Pflilge.r’s Arch., Bd. 189)

According to Fellner's experiments (Pflilge.r's Arch., Bd. 189), the injection of placental and ovarian lipoids into male animals causes in the latter a decrease in the testes, shrinkage of the tubules and the cessation of spermatogenesis, and this action is not specific, - the state of the testes with it resembles that , which is observed at the birth of an animal.