title: Seasonal variation in the structure & function of testis & thumb pad in the frog Rana tigrina (Daud.).
mesh_terms: D000818:Animals; D005552:Forelimb / Q000033:anatomy & histology*; D006913:Hydroxysteroid Dehydrogenases / Q000032:analysis; D007985:Leydig Cells / Q000201:enzymology; D008297:Male; D011898:Ranidae / Q000033:anatomy & histology* / Q000378:metabolism; D012621:Seasons; D013737:Testis / Q000033:anatomy & histology*
chemical_list: D006913:Hydroxysteroid Dehydrogenases