Cardiovascular Center if the brain is sectioned at the level of the lower pons the blood pressure falls If the section at the level of the obex the fall in blood pressure is more profound
Cardiovascular Center ➢ if the brain is sectioned at the level of the lower pons ➢ the blood pressure falls ➢ If the section at the level of the obex ➢ the fall in blood pressure is more profound
Cardiovascular centers of the braintem Motor Medulla Cingulate oblongata is Orbital essential to Reticula substance Mesencephalon ardiovascula Temporel r centers Pon VASOMOTOR Medulla CENTER VASODILATOR VASOCONSTRICTOR
Cardiovascular centers of the brainstem ➢ Medulla oblongata is essential to Cardiovascula r centers
Cardiovascular centers of brainstem vasoconstrictor-area vasodilator area cardioinhibitory area relay station of afferent nerve
Cardiovascular centers of the brainstem ➢ vasoconstrictor-area ➢ vasodilator area ➢ cardioinhibitory area ➢ relay station of afferent nerve
1. Rostral ventforet medulla (Vasoconstrictor area): 2. Caudal ventrolateral medulla. CVLM (Vasodilator area) 3. NTS (nucleu of solitary tract relay station of afferent nerve) 4. Cardioinhibitory area
1．Rostral ventrolateral medulla, rVLM (Vasoconstrictor area)： 2. Caudal ventrolateral medulla, cVLM （Vasodilator area） 3． NTS (nucleu of solitary tract relay station of afferent nerve) 4． Cardioinhibitory area
1). vasoconstrictor-area(rVLMD (neurotransmitter: nE neurons ( the cardiac sympathetic center (2)the sympathetic vasoconstrictor center Periaqueductal gray Cerebellum Paraventricular nucleus Caudal Rostral Spinal cord N CYL Lateral Intermediolateral hypothalamic column Medulla area AVLM
1). vasoconstrictor-area (rVLM) (neurotransmitter: NE neurons) (l) the cardiac sympathetic center (2) the sympathetic vasoconstrictor center