title: Influence of photoperiods on the seasonal fluctuations of TSH content of the pituitary in a freshwater cat fish, Mystus vittatus (Bloch).
mesh_terms: D000818:Animals; D005399:Fishes / Q000378:metabolism*; D008027:Light; D010507:Periodicity; D010902:Pituitary Gland / Q000378:metabolism* / Q000528:radiation effects; D011830:Radiation Effects; D012621:Seasons; D013972:Thyrotropin / Q000378:metabolism*; D013974:Thyroxine / Q000494:pharmacology
chemical_list: D013972:Thyrotropin; D013974:Thyroxine