title: Diurnal and seasonal variations in thyroid function of neotenic tiger salamanders (Ambystoma tigrinum).
mesh_terms: D000557:Ambystoma / Q000502:physiology*; D000818:Animals; D002940:Circadian Rhythm / Q000187:drug effects; D005260:Female; D008297:Male; D010507:Periodicity / Q000187:drug effects; D012621:Seasons; D013961:Thyroid Gland / Q000187:drug effects / Q000502:physiology*; D013972:Thyrotropin / Q000494:pharmacology; D013974:Thyroxine / Q000097:blood; D014284:Triiodothyronine / Q000097:blood
chemical_list: D014284:Triiodothyronine; D013972:Thyrotropin; D013974:Thyroxine