GONADAL HORMONES AND THE CONTRACTILITY Itf VITRO OF THE VAS DEFERENS OF THE DOG

摘要: ALTHOUGH the motility of uterus bitch has been subject many papers there is none dealing with endocrine control contractility male organs. Waddell (1916) found quiescent vas deferens dog to react tonic and rhythmic contractions on addition various drugs perfusion bath. Macht (1917), using longitudinal strips as well rings from organ, was unable observe any automatism in those preparations. In vivo experiments made by Perutz & Merdler (1924) showed that dog’s displayed not only after intravenously injected but also upon stimulation vagus, nasal mucosa, following asphyxia. Iwaki (1930) did vitro four vasa deferentia three dogs; he called attention delayed effect studied him. Using same technique employed our previous works about hormonal regulation pharmacological reactivity male...