Hormonal control of onset of corneal reflex in the frog.
D000818:Animals; D001001:Anura; D003315:Cornea / Q000502:physiology*; D006801:Humans; D007016:Hypophysectomy; D011898:Ranidae; D012018:Reflex; D013974:Thyroxine / Q000494:pharmacology*
D013974:Thyroxine
CORNEA/physiology; HYPOPHYSECTOMY/effects; THYROXIN/effects