title: Seasonal changes in thyroid activity in the lesser snow goose (Anser caerulescens caerulescens) including reference to embryonic thyroid activity.
mesh_terms: D000818:Animals; D000835:Animals, Wild; D005260:Female; D005777:Geese / Q000502:physiology*; D008297:Male; D012621:Seasons; D013961:Thyroid Gland / Q000196:embryology / Q000502:physiology*; D013974:Thyroxine / Q000097:blood; D014284:Triiodothyronine / Q000097:blood
chemical_list: D014284:Triiodothyronine; D013974:Thyroxine