Autonomic basis for hypoxia-induced hyperglycaemia in toads (Bufo paracnemis).
1. Toads were exposed to steady hypoxic conditions (inspired PO2 = 40 mmHg) for 60 min. 2. Within the exposure time, glucose concentrations rose from about 30 mg% to a steady level of 45 mg%. The development of hyperglycaemia reached a stable level within 40 min. 3. This effect was eliminated by treatment with either propranolol or atropine, suggesting combined cholinergic and adrenergic activation.
de Castro-e-Silva
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Departamento de Fisiologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Brazil.
Branco
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LG
Glass
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ML
D000818:Animals; D001341:Autonomic Nervous System / Q000503:physiopathology*; D001786:Blood Glucose / Q000032:analysis; D002025:Bufonidae; D006943:Hyperglycemia / Q000209:etiology*; D007700:Kinetics; D010100:Oxygen / Q000502:physiology*
D001786:Blood Glucose; D010100:Oxygen