Lab 3 Blood Vessels Anatomy Blood Vessels Pulmonary

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Lab # 3 Blood Vessels Anatomy

Lab # 3 Blood Vessels Anatomy

Blood Vessels Pulmonary arteries Pulmonary veins Arteries They carry blood away from the heart

Blood Vessels Pulmonary arteries Pulmonary veins Arteries They carry blood away from the heart (they are efferent vessels) Veins They carry blood back to (toward) the heart (they are afferent vessels Capillaries They connect the arteries with the veins

The Vessel Wall Lumen Tunica interna It lines the blood vessel and is exposed

The Vessel Wall Lumen Tunica interna It lines the blood vessel and is exposed to blood. Endothelium It is simple squamous epithelium overlying. a basement membrane Tunica media Basement membrane It consists of smooth muscle, collagen, and elastic tissue. Tunica externa It consists of loose connective tissue that often merges with that of neighboring blood vessels, nerves, or other organs. Vasa vasorum They are small vessels that supply blood to at least the outer half of the larger vessels. Nerve

Veins have a greater capacity for blood containment than arteries. In large arteries, blood

Veins have a greater capacity for blood containment than arteries. In large arteries, blood pressure averages 90 to 100 mm Hg, whereas in veins it averages about 10 mm Hg. Veins, therefore, do not require thick, pressure resistant walls. Veins have thinner and flaccid walls and contain less muscular and elastic tissue than the arteries, that is why they can expand easily.

Pulmonary Arteries and Veins Right pulmonary artery Left pulmonary veins Right pulmonary veins Pulmonary

Pulmonary Arteries and Veins Right pulmonary artery Left pulmonary veins Right pulmonary veins Pulmonary trunk

Arteries of the Trunk (thorax) L. common carotid a. R. common carotid a. R.

Arteries of the Trunk (thorax) L. common carotid a. R. common carotid a. R. subclavian a. L. subclavian a. Brachiocephalic trunk Aortic arch Superior vena cava Ascending aorta Thoracic (descending) aorta (posterior to heart) Inferior vena cava Diaphragm Aortic hiatus Abdominal aorta Anterior view

Superficial Veins of the Head and Neck Arteries of the Head and Neck Temporal

Superficial Veins of the Head and Neck Arteries of the Head and Neck Temporal a. Vertebral v. External jugular v. Internal carotid a. External carotid a. Carotid sinus Vertebral a. Internal jugular v. Thyroid gland Axillary v. Brachiocephalic v. Subclavian v. Common carotid a. Subclavian a. Axillary a. Brachiocephalic trunk Lateral view (c) Superficial veins of the head and neck

Anterior communicating artery R. and L. posterior communicating arteries Cerebral Arterial Circle or Circle

Anterior communicating artery R. and L. posterior communicating arteries Cerebral Arterial Circle or Circle of Willis

Cerebral Arterial Circle or Circle of Willis Anterior communicating a. L. Anterior cerebral a.

Cerebral Arterial Circle or Circle of Willis Anterior communicating a. L. Anterior cerebral a. L. Internal carotid a. L. Middle cerebral a. L. Posterior communicating a. L. Posterior cerebral a. R. Anterior cerebral a. Optic nerves Pituitary gland R. Internal carotid a. R. Middle cerebral a. R. Posterior communicating a. R. Posterior cerebral a. Basilar a. L. Vertebral a. R. Vertebral a.

Arteries of the Upper Limb Right subclavian artery Right axillary artery Right brachial artery

Arteries of the Upper Limb Right subclavian artery Right axillary artery Right brachial artery Right radial artery Right ulnar artery

Veins of the Upper Limb Left subclavian vein Left Brachiocephalic vein Left axillary vein

Veins of the Upper Limb Left subclavian vein Left Brachiocephalic vein Left axillary vein Cephalic Brachial Basilic

Basilic Brachial Median cubital Cephalic Radial Ulnar

Basilic Brachial Median cubital Cephalic Radial Ulnar

Cephalic vein Brachial vein Axillary artery Axillary vein Median Brachial cubital vein artery Basilic

Cephalic vein Brachial vein Axillary artery Axillary vein Median Brachial cubital vein artery Basilic vein Cephalic vein Median Basilic vein antebrachial vein Radial artery Deep palmar arch Ulnar artery Superficial palmar arch

Arteries of the Trunk (abdomen and pelvis) Celiac trunk Liver Superior mesenteric a. Spleen

Arteries of the Trunk (abdomen and pelvis) Celiac trunk Liver Superior mesenteric a. Spleen Pancreas Pancreatic aa. Renal a. L. gastric a. Gonadal a. Common hepatic a. Splenic a. Inferior mesenteric a. Common iliac a. Internal iliac a. Celiac trunk: 1 - Common hepatic artery 2 - Splenic artery 3 - Left gastric artery

Arteries of the Lower Limb External iliac Femoral artery Popliteal artery Anterior tibial artery

Arteries of the Lower Limb External iliac Femoral artery Popliteal artery Anterior tibial artery Posterior tibial artery Anterior view Posterior view

Veins of the Lower Limb External iliac vein Great saphenous Popliteal vein Posterior tibial

Veins of the Lower Limb External iliac vein Great saphenous Popliteal vein Posterior tibial vein Posterior view Femoral vein Anterior tibial vein Lesser saphenous

Hepatic veins Hepatic portal v. Superior mesenteric v. Gastric vv. Splenic v. Inferior mesenteric

Hepatic veins Hepatic portal v. Superior mesenteric v. Gastric vv. Splenic v. Inferior mesenteric v. The hepatic portal system all the blood draining from the abdominal digestive tract, as well as from the pancreas, gallbladder and spleen The hepatic portal system gives the liver first claim to the nutrients before the blood is distributed to the rest of the body It also allows the blood to be cleansed of bacteria and toxins picked up from the intestine The Hepatic Portal System

Principal Arteries R. common carotid a. R. subclavian a. Brachiocephalic trunk L. common carotid

Principal Arteries R. common carotid a. R. subclavian a. Brachiocephalic trunk L. common carotid a. L. subclavian a. Aortic arch Ascending aorta L. axillary a. Pulmonary trunk L. brachial a.

Principal Arteries R. brachial a. Abdominal aorta a. R. common iliac a. R. internal

Principal Arteries R. brachial a. Abdominal aorta a. R. common iliac a. R. internal iliac a. R. external iliac a. R. radial a. R. ulnar a. L. femoral a.

Principal Arteries L. femoral a. L. posterior tibial a. R. anterior tibial a.

Principal Arteries L. femoral a. L. posterior tibial a. R. anterior tibial a.

Principal Veins R. internal jugular v. R. subclavian v. R. cephalic v. R. brachial

Principal Veins R. internal jugular v. R. subclavian v. R. cephalic v. R. brachial v. (cut) R. basilic v. L. internal jugular v. L. subclavian v. L. brachiocephalic v. Inferior vena cava

Principal Veins R. brachial v. (cut) R. cephalic v. R. basilic v. R. Median

Principal Veins R. brachial v. (cut) R. cephalic v. R. basilic v. R. Median cubital v. R. Ulnar v. R. Radial v. Inferior vena cava L. common iliac v. L. internal iliac v. L. external iliac v.

Principal Veins L. femoral v. L. great saphenous v.

Principal Veins L. femoral v. L. great saphenous v.