title: [Autoradiographic study of the action of yohimbine on rat spermatogenesis].
abstract: The authors found an increase in the number of labelled spermatogonia and spermatocytes with 35 to 40% in the experimental animals as a result of performed quantitative studies on mature male rats after chronic treatment with jochimbin and simultaneous application of 3H-thymidine. This statistically  significant difference in comparison with the control animals showed that jochimbin stimulated the mitotic activity of spermatogonia as a result of which the number of spermatozoa was increased and the whole process of spermatogenesis was affected. The biologic action of jochimbin on the spermatogenesis of a rat was similar to that of the preparation TB-68, examined by us.
mesh_terms: D000818:Animals; D001345:Autoradiography; D008297:Male; D010936:Plant Extracts / Q000494:pharmacology; D051381:Rats; D013076:Sperm Count; D013091:Spermatogenesis / Q000187:drug effects*; D013268:Stimulation, Chemical; D013997:Time Factors; D015016:Yohimbine / Q000494:pharmacology*
chemical_list: D010936:Plant Extracts; D015016:Yohimbine; C013743:TB 68
vernacular_title: Avtoradiografichno prouchvane deĭstvieto na ĭokhimbina vŭrkhu spermatogenezata na plŭkh.