in urethane-anaesthetized , closed-chest rabbits negative inotropic reflex responses from the left ventricle were elicited by aortic nerve ( aon ) and carotid sinus nerve ( csn ) stimulation in the paced and spontaneously beating heart and characterized as percent decrease of the contractility index ( d log p/dt ) max .
C0225897
left ventricle
C0018787
heart