title: A histometric comparison of Leydig cells in hibernating and nonhibernating toads (Bufo melanostictus).
mesh_terms: D000818:Animals; D002025:Bufonidae / Q000033:anatomy & histology*; D002467:Cell Nucleus / Q000648:ultrastructure; D005640:Follicle Stimulating Hormone / Q000502:physiology; D006605:Hibernation; D007985:Leydig Cells / Q000648:ultrastructure*; D007986:Luteinizing Hormone / Q000502:physiology; D008297:Male; D013091:Spermatogenesis
chemical_list: D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone