ANP 300 - Lecture 19 - Circulatory System II

ANP 300 - Lecture 19 - Circulatory System II - CIRCULATORY...

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CIRCULATORY SYSTEM II
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Components of Circulatory System Blood Red Bone Marrow Lymphoid Tissue Heart Vessels Lymphatic System
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Components of Circulatory System Blood Red Bone Marrow Lymphoid Tissue Heart Vessels Lymphatic System
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Arteries Veins Capillaries Blood Pressure Adult Circulation Pulmonary Systemic Portal Systems Fetal Circulation
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Arteries Veins Capillaries Blood Pressure Adult Circulation Pulmonary Systemic Portal Systems Fetal Circulation
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Blood Flow Heart Artery Arteriole Capillary Heart Vein Venule
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Intima - endothelium - elastic tissue Media - smooth muscle Externa - collagen - nerves & lymphatics - vasa vasorum
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Structure of Arteries Intima - endothelium - elastic tissue Expansion & Recoil PRESSURE RESERVOIR Acts with each ventricular diastole (relaxation) to propel blood
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Structure of Arteries Media - smooth muscle Alter PERIPHERAL RESISTANCE Affect Blood Pressure
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Structure of Veins Intima - endothelium - elastic tissue Less Recoil VOLUME RESERVOIR
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Structure of Veins Media - smooth muscle (less than artery) of limited value for blood return
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Structure of Veins Mechanism of Venous Blood Return Skeletal Muscle Pump Valves
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Structure of Veins Valves & Varicose Veins
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Structure of Capillaries
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Types of Capillaries Continuous lung skeletal muscle Fenestrated kidney intestines endocrine glands Sinusoid (Discontinuous) liver spleen red marrow
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Arteries Veins Capillaries Blood Pressure Adult Circulation Pulmonary Systemic Portal Systems Fetal Circulation
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Blood Pressure
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Blood Pressure Driving Pressure = Flow Rate x Peripheral Resistance Arterial Pressure = Cardiac Output x Peripheral Resistance Rate Stroke Volume
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GLOSSOPHARYNGEAL NERVE (CN IX) Somatic Sensory Somatic Motor pharynx stylopharyngeus Special Sensory taste (post. 1/3) Visceral Afferent carotid body - chemoreceptor carotid sinus - pressure Parasympathetic parotid gland Stretch receptors
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This note was uploaded on 07/12/2011 for the course ANP 300 taught by Professor Grine during the Fall '08 term at SUNY Stony Brook.

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ANP 300 - Lecture 19 - Circulatory System II - CIRCULATORY...

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