G. Vacca

Publications60
h-index8
Citations272
Highly Influential Citations9
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Medial prefrontal cortex is involved in spatial temporal order memory but not spatial recognition memory in tests relying on spontaneous exploration in rats
The present study describes two novel tasks relying on spontaneous patterns of exploration in a radial-arm maze that can be used to assess spatial recognition memory and spatial temporal order memory… Expand
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The effect of distension of the urinary bladder on coronary blood flow in anesthetized dogs
To determine whether distension of the urinary bladder reflexly affects coronary blood flow, experiments were performed in eleven dogs anaesthetized with sodium pentobarbitone. Both ureters were… Expand
  • 19
Haemodynamic effects of distension of the descending colon in anaesthetized dogs.
1. This study was undertaken to determine whether distension of the descending colon in anaesthetized dogs reflexly affects the heart rate, arterial blood pressure or the left ventricular inotropic… Expand
  • 24
Efferent limb of the coronary vasoconstrictor reflex elicited by distension of the descending colon in anesthetized dogs.
Distension of the descending colon elicits reflex coronary vasoconstriction. To study the efferent branch of this reflex, experiments were performed on 5 dogs anesthetized with pentobarbitone. A… Expand
  • 8
The effect of Bitis gabonica (gaboon viper) snake venom on blood pressure, stroke volume and coronary circulation in the dog.
The effects of Gaboon Viper (Bitis gabonica) venom on cardiac output, arterial blood pressure, coronary flow and total peripheral resistance were investigated in eight anaesthetized dogs. Venom doses… Expand
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The effect of the coronary vascular wall on the changes in the coronary vascular resistance during a sudden reduction and recovery of the aortic blood pressure.
To demonstrate the effect of elastic and myogenic properties of the vessel wall on the mean coronary vascular resistance during ventricular diastole (m.d.c.r.), this resistance was assessed in twenty… Expand
  • 8
The effect of Bitis gabonica (Gaboon viper) snake venom on external iliac and mesenteric arterial circulation in the dog.
The effects of Gaboon viper (Bitis gabonica) venom on external iliac and mesenteric arterial blood flow and resistance were investigated in eight anaesthetized, close-chest dogs. Venom doses in the… Expand
  • 13
The effect of distension of the urinary bladder on activity in efferent renal fibres in anaesthetized dogs.
1. To test whether distension of the urinary bladder causes a consistent change in activity in efferent renal nerve fibres, bladder distension was performed in anaesthetized dogs. The carotid sinuses… Expand
  • 14
TACHYCARDIA AND PRESSOR RESPONSES TO DISTENSION OF THE GALLBLADDER IN THE ANAESTHETISED PIG
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The effect of gaboon viper (Bitis gabonica) venom on cardiac stroke work in the anaesthetized rabbit.
The effect of Bitis gabonica venom administered intravenously in the rabbit at the dose of 0.125 mg/kg (approximately 10% of LD50) has been studied. Venom caused marked changes in cardiovascular… Expand
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