title: [Ultrastructure of Leydig and Sertoli cells in the testicular cycle of the Pekin duck. Biochemical and cytoenzymological correlations (author's transl)].
mesh_terms: D000735:Androstenedione / Q000097:blood / Q000378:metabolism*; D000818:Animals; D002849:Chromatography, Gas; D004372:Ducks / Q000033:anatomy & histology*; D004721:Endoplasmic Reticulum; D006651:Histocytochemistry; D006913:Hydroxysteroid Dehydrogenases / Q000378:metabolism*; D002479:Inclusion Bodies; D007985:Leydig Cells / Q000166:cytology* / Q000201:enzymology / Q000378:metabolism; D008297:Male; D008854:Microscopy, Electron; D008928:Mitochondria; D012621:Seasons; D012708:Sertoli Cells / Q000166:cytology* / Q000201:enzymology / Q000378:metabolism; D013737:Testis / Q000502:physiology*; D013739:Testosterone / Q000097:blood / Q000378:metabolism*
chemical_list: D013739:Testosterone; D000735:Androstenedione; D006913:Hydroxysteroid Dehydrogenases
vernacular_title: Ultrastructure des cellules de Leydig et des cellules de Sertoli au cours du cycle testiculaire du Canard Pékin. Corrélation avec les données biochimiques et cytoenzymologiques.