title: Annual cyclical changes in the monoamine oxidase (MAO) activity in the testis of the teleost, Channa punctatus (Bloch).
mesh_terms: D000818:Animals; D005399:Fishes / Q000378:metabolism*; D008297:Male; D008995:Monoamine Oxidase / Q000378:metabolism*; D009929:Organ Size; D012098:Reproduction; D012621:Seasons; D012701:Serotonin / Q000378:metabolism; D013737:Testis / Q000201:enzymology / Q000378:metabolism
chemical_list: D012701:Serotonin; D008995:Monoamine Oxidase