A comparison of seasonal changes and the effect of cold on the thyroid gland of the male rat and ground squirrel (Citellus tridecimlineatus).
D000818:Animals; D003080:Cold Temperature; D008297:Male; D010507:Periodicity; D051381:Rats; D012589:Sciuridae; D012621:Seasons; D013960:Thyroid Function Tests; D013961:Thyroid Gland / Q000502:physiology*
COLD/effects; PERIODICITY; THYROID GLAND/physiology