The distribution of catecholamines in the hypothalamus and other brain areas of some lower vertebrates.

Animals Anura Brain/metabolism Catecholamines/metabolism Cyprinidae Dopamine/metabolism Epinephrine/metabolism Hypothalamus/drug effects,metabolism Norepinephrine/metabolism Organ Size Rana temporaria Reserpine/pharmacology Time Factors Turtles

Catecholamines Reserpine Dopamine Norepinephrine Epinephrine