1 chapter 17 blood & blood vessels lecture 5 martini’s visual anatomy and physiology first...
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Chapter 17Blood & Blood Vessels
Lecture 5
Martini’s VisualAnatomy and Physiology
First Edition
Martini Ober
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Lecture Overview
• Pulmonary Circuit
• Systemic Circuit
– Arterial system– Venous system
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Pulmonary Circuit• consists of vessels that carry blood from the heart to the lungs and back to the heart
Figure from: Hole’s Human A&P, 12th edition, 2010
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Systemic Circuit
• Composed of vessels that lead from the heart to all body parts (except the lungs) and back to the heart
• Includes the aorta and its branches (know!)
• Includes the system of veins that return blood to the right atrium
• Includes the coronary circulation
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Major Vessels of Arterial System
Figure from: Martini, Anatomy & Physiology, Prentice Hall, 2001
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Major Blood Vessels Associated With Heart
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Remember your ABCs: Aortic arch, Brachiocephalic, Carotid, subclavian
Figure from: Hole’s Human A&P, 12th edition, 2010
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Descending and Thoracic Aorta
Figure from: Martini, Anatomy & Physiology, Prentice Hall, 2001
Diaphragm is the point at which the thoracic aorta becomes the abdominal aorta
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Aorta and Its Principal Branches
**Need to know this table; if I give you an artery, you need to know which branch (part) of the aorta it arises from
Table from: Hole’s Human A&P, 12th edition, 2010
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Abdominal Aorta and Its Major Branches
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Figure from: Martini, Anatomy & Physiology, Benjamin Cummings, 2004
Three branches of the celiac trunk: 1. left gastric a., 2. common hepatic a., 3. splenic a.
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Arteries to Neck, Head, and Brain
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Figure from: Hole’s Human A&P, 12th edition, 2010
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Cerebral Arterial Circle• Also called the Circle of Willis• Formed by anterior and posterior cerebral arteries, which join the internal carotid and basilar arteries
Know all theseFigure from: Hole’s Human A&P, 12th edition, 2010
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Arteries to Shoulder and Upper Limb
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= pulse points
Figure from: Hole’s Human A&P, 12th edition, 2010
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Arteries to Thoracic Wall
Figure from: Hole’s Human A&P, 12th edition, 2010
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Arteries to Lower Limbs and Pelvis
Figure from: Martini, Anatomy & Physiology, Prentice Hall, 2001
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Arteries to Pelvic Region
Figure from: Hole’s Human A&P, 12th edition, 2010
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Main Branches of External Iliac Artery
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* Figure from: Hole’s Human A&P, 12th edition, 2010
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Major Vessels of the Venous SystemFigure from: Hole’s Human A&P, 12th edition, 2010
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Major Veins of the Brain, Head, and Neck
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External jugular v. drains blood from face, scalp, and superficial neck regions
Figure from: Hole’s Human A&P, 12th edition, 2010
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Major Veins of the Brain, Head, and Neck
Figure from: Martini, Anatomy & Physiology, Prentice Hall, 2001
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Location of Internal and External Jugular V.
External Jugular v.
Internal Jugular v.
SCM
Figure from: Anatomy & Physiology Revealed, 2010
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Major Veins - Upper Limb and Shoulder
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Median cubital vein is often used to draw blood (venipuncture)*
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(deep)
(superficial)
(superficial)
Figure from: Hole’s Human A&P, 12th edition, 2010
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Major Veins - Upper Limb and Shoulder
Figure from: Martini, Anatomy & Physiology, Prentice Hall, 2001
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Veins That Drain the Thoracic Wall
Together the azygos v. and hemiazygos v. drain the thoracic wall, thoracic viscera, and abdominal wall
Figure from: Hole’s Human A&P, 12th edition, 2010
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Hepatic Portal VeinHepatic portal vein drains one set of capillaries and connects via veins to another set of capillaries before it becomes a vein again
Note that veins in the abdominal cavity drain into the hepatic portal vein
Figure from: Hole’s Human A&P, 12th edition, 2010
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Veins That Drain the Abdominal Viscera
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Figure from: Martini, Anatomy & Physiology, Prentice Hall, 2001
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Main Veins of the Lower Limb and Pelvis*
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Figure from: Hole’s Human A&P, 12th edition, 2010
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Review
• The blood vessels form a closed circuit for distribution of the blood from the heart to the tissues and back again.
• The vessels of the CVS include– Arteries - carry blood away from ventricles of
heart; this walled; elastic– Arterioles - receive blood from arteries/carry
blood to capillaries; major flow regulators– Capillaries - sites of exchange of substances
between blood and body cells– Venules - receive blood from capillaries– Veins - carry blood toward atria of heart