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Experiments were performed on anesthetized cats to observe the effect of electrical stimulation of the hypothalamic ventromedial nucleus (VMH) on cardiac contractility as judged by the change in LVSP, dp/dtmax, Vmax, P-dp/dt, P-lndp/dt. Electrical stimulation of VMH induced an augment response in cardiac force, while stimulation of an area between VMH and the third ventricle led only to a decrease in cardiac contractile force. All these changes were not accompanied by significant changes in heart rate and unaffected by bilateral vagotomy. The present experiment indicates that the inotropic and chronotropic regulation centers of cardiac function exist in different hypothalamic areas.
W J Fu, and
G X Hou, and
J G Chen, and
Z D Chen, and
Y Cao, and
Z D Lu
December 1963,
The American journal of cardiology,
W J Fu, and
G X Hou, and
J G Chen, and
Z D Chen, and
Y Cao, and
Z D Lu
August 1991,
Brain research. Developmental brain research,
W J Fu, and
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Z D Lu
March 1980,
Experimental neurology,
W J Fu, and
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Z D Lu
January 1983,
Folia morphologica,
W J Fu, and
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Y Cao, and
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March 1980,
Indian journal of experimental biology,
W J Fu, and
G X Hou, and
J G Chen, and
Z D Chen, and
Y Cao, and
Z D Lu
May 1973,
Brain research,
W J Fu, and
G X Hou, and
J G Chen, and
Z D Chen, and
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May 1971,
Physiology & behavior,
W J Fu, and
G X Hou, and
J G Chen, and
Z D Chen, and
Y Cao, and
Z D Lu
May 1982,
Brain research,
W J Fu, and
G X Hou, and
J G Chen, and
Z D Chen, and
Y Cao, and
Z D Lu
November 1983,
Brain research,
W J Fu, and
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J G Chen, and
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Y Cao, and
Z D Lu
January 1975,
Pharmacology, biochemistry, and behavior,
