Thyroid activity and experimental evidence for its role in reproduction in the adder Vipera berus.
D000818:Animals; D004848:Epithelium / Q000033:anatomy & histology; D005260:Female; D008297:Male; D012098:Reproduction; D012621:Seasons; D012911:Snakes / Q000502:physiology*; D013091:Spermatogenesis; D013961:Thyroid Gland / Q000033:anatomy & histology / Q000502:physiology*; D013965:Thyroidectomy; D013974:Thyroxine
D013974:Thyroxine