title: Variations in thyroid activity and respiratory rate during a 24-hr period and role of testosterone and thyroxine on the oxidative metabolism of the water snake, Natrix piscator.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D007454:Iodides / Q000378:metabolism; D007457:Iodine Radioisotopes; D008099:Liver / Q000187:drug effects / Q000378:metabolism; D008297:Male; D009132:Muscles / Q000187:drug effects / Q000378:metabolism; D010101:Oxygen Consumption; D012911:Snakes / Q000378:metabolism*; D013696:Temperature; D013739:Testosterone / Q000494:pharmacology*; D013960:Thyroid Function Tests; D013961:Thyroid Gland / Q000378:metabolism* / Q000502:physiology; D013965:Thyroidectomy; D013974:Thyroxine / Q000378:metabolism / Q000494:pharmacology*
chemical_list: D007454:Iodides; D007457:Iodine Radioisotopes; D013739:Testosterone; D013974:Thyroxine