Regulation of ABP
by Mohamed Hisham
1. Kidney
1.1. Alter blood volume
1.1.1. Control blood pressure
2. Baroreceptors
2.1. Renin Enzyme
2.1.1. Reduce ABP
2.1.1.1. Na+ intake
2.1.1.2. Na+ Loss
2.1.1.3. Renin Release
2.1.2. Angiotensinogen
2.1.2.1. Angiotensin
2.1.2.1.1. ACE
3. Renin Angiotensin Aldosterone System
4. ANP
4.1. Excretion of Na+ and H2O by Kidney
4.1.1. Urine Volume
4.2. Vasodilation
4.3. Inhibit release of Renin
4.3.1. Suppress generation of Angiotensin 2
5. Blood pressure
5.1. Sensed by
5.1.1. Atrial cells
6. Baroreceptors
6.1. Pressure sensitive receptor
6.1.1. sense the vessel wall stretch
6.2. Cortoid sinus and aortic arch
6.2.1. Resist any change in BP
7. CNS (Medulla oblongata)
7.1. impulse
7.1.1. Sympathetic
7.1.1.1. BP
7.1.1.1.1. Baroreceptors stimulate center
7.1.2. Parasympathetic
7.1.2.1. BP
7.1.2.1.1. Baroreceptors stimulate center
8. Vascular Smooth Muscle
8.1. Vasoconstrict
8.1.1. P.R
8.1.1.1. Blood Pressure
8.2. Vasodilation
8.2.1. P.R
8.2.1.1. Blood Pressure
9. Vascular Smooth Muscle Tone
9.1. Ca+2
9.1.1. High
9.1.2. Low
9.2. Endothelium
9.2.1. Mediators
9.2.1.1. Vasodilator
9.2.1.2. Vasoconstrictor