Term
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Definition
| Vessels make up piping for blood flow throughout body, they supply nutrients and pick up waste. |
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Term
| Blood Vessels: Where they go |
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Definition
| Vessels run though organs and tissues. |
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Term
| Blood Vessels: Major Types |
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Definition
| Arteries, Capillaries, and Veins |
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Term
| Arteries ... as they leave the ..., and ... come ... as they carry blood to the... |
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Definition
| Branch, heart, veins, together, heart. |
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Term
| Structure of Vessels: 4 parts |
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Definition
| Lumen, tunica intima, tunica media, tunica externa |
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Term
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Definition
Endothelium-simple squamous epithelium
Subendothelial layer- loose CT(vessels less than 1mm) |
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Term
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Definition
Smooth muscle (contraction=constriction)
Elastin & collagen (assist with elasticity) |
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Term
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Definition
Connective tissue (lots of collagen and elastic fibers)
Protection and strength |
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Term
| Arteries (largest to smallest) |
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Definition
| Elastic arteries, muscular arteries, arterioles, metarterioles. |
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Term
| Types of vessels (largest to smallest) |
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Definition
| Arteries, Capillaries, Veins |
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Term
| Veins (largest to smallest) |
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Definition
| Venules, Thoroughfare channels |
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Term
| Arteries carry blood.... from the heart |
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Definition
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Term
| Arteries: High.... and .... vessels |
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Definition
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Term
| Arteries:...location than ... |
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Definition
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Term
| Arteries: More...muscle than veins |
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Definition
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Term
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Definition
| Elastic arteries, muscular arteries, arterioles. |
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Term
| Elastic Arteries (conducting arteries): Size and location |
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Definition
| Largest arteries near the heart |
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Term
| Elastic Arteries features |
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Definition
| Lots of elastin, recoils in order to help keep flow continuous at capillaries (dampens pulsatile flow.) |
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Term
| Muscular Arteries: What it supplies |
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Definition
| Supply organs, parts of organs, and group of organs. |
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Term
| Muscular Arteries: Composition |
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Definition
| Have thickest tunica media. Have internal and external elastic lamina. |
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Term
| Muscular Arteries: Smooth muscle in ... regulates ... |
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Definition
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Term
| Muscular Arteries: Vasoconstriction |
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Definition
| Contraction of smooth muscle |
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Term
| Muscular Arteries: Vasodilation |
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Definition
| Relaxation of smooth muscle. |
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Term
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Definition
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Term
Arterioles: Tunica... only has ... layers of ... muscle
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Definition
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Term
Arterioles: Diameter regulated by
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Definition
| Local factors and sympathetic NS activity. |
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Term
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Definition
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Term
| Capillaries: Composed of...layer of ...cells surrounded by ... membrane |
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Definition
| Single, endothelial, basement |
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Term
| Capillaries: Site of ... and ... exchange |
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Definition
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Term
| Capillaries: All...exchange... for ... |
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Definition
| Tissues, nutrients, wastes |
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Term
| Capillaries: Lungs exchange ... and .... |
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Definition
| gases and oxidative tissues |
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Term
| Capillaries: Intestine exchange ... nutrients |
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Definition
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Term
| Capillaries: Endocrine glands |
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Definition
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Term
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Definition
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Term
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Definition
| Network of body's smallest vessels |
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Term
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Definition
| Intermediate between arteriole and capillary, pre-capillary sphincters control flow |
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Term
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Definition
| Gas and nutrient exchange |
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Term
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Definition
| Intermediate between venule capillary |
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Term
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Definition
| Endothelial cells are held together by tight junctions and some desmosomes |
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Term
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Definition
| Do not surround entire perimeter of endothelial cells-leave gaps where small molecules can enter and leave |
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Term
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Definition
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Term
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Definition
| Have more pores that span the endothelial cells |
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Term
| Diffusion through ... cell membranes and ... are 2 of 4 routes of ... |
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Definition
| Endothelial, fenestrations, permeability |
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Term
| Veins: Take blood... the heart |
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Definition
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Term
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Definition
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Term
| Veins: More ... location than arteries. |
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Definition
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Term
| Veins: Less... muscle than arteries |
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Definition
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Term
| Veins:... walls than arteries |
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Definition
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Term
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Definition
Venules-post-capillary venules
Veins |
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Term
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Definition
| Valves, Body Movement, Muscular Pump, Venous Vasoconstriction |
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Term
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Definition
| Bloow flow toward the heart pushes cusps apart, and backflow pushes cusps together. |
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Term
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Definition
| Simply moving the body moves blood |
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Term
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Definition
| Skeletal muscles press against veins |
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Term
| VR: Venous Vasoconstriction |
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Definition
| Possible, but not the same as in arteries. |
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Term
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Definition
| Where vessels unite or interconnect |
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Term
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Definition
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Term
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Definition
| Provide collateral channels |
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Term
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Definition
| Are more abundant than arterial |
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Term
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Definition
| Little vessels (tiny arteries, capillaries, veins) that supply larger arteries and veins with nutrients |
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Term
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Definition
| Feeds outer half of vessel, located in tunica externa. |
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Term
| Vasa Vasorum: ...blood feeds ...half |
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Definition
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Term
| Vasa Vasorum: Small vessels get ...supply from ... blood |
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Definition
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Term
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Definition
| Artery that takes blood to the lungs, branches in to right and left pulmonary arteries. |
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Term
| Pulmonary Circuit: Each pulmonary artery... into ... arteries, which branch ... and ... until they are ... |
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Definition
| Branches, lobar, smaller, smaller, capillaries |
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Term
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Definition
| (4 of them, 2 from each lung)bring blood back to the heart |
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Term
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Definition
| Right and Left coronary arteries |
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Term
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Definition
| Brachiocephalic trunk- Right and left common cartoid, right and left subclavian. |
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Term
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Definition
| Thoracic Aorta, Abdominal Aorta- Right and Left Common Iliac |
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Term
| Arteries of Upper Limbs: List |
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Definition
| Subclavian, Axillary, Brachial, Radial, Ulnar, Palmar Arches (superficial and deep) |
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Term
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Definition
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Term
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Definition
| Supplies breast, shoulder, scapular areas |
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Term
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Definition
| Supplies anterior and posterior arm muscles |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Arteries of Lowe Limbs: List |
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Definition
| Common Iliac Arteries, Internal Iliac, External Iliac, Femoral, Popliteal, Anterior Tibial, Posterior Tibial |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Systemic Veins: Differences in Artery and Vein distribution: Route to heart |
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Definition
| 1 artery leaves left ventricle, 3 veins enter right atrium. |
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Term
| Systemic Veins: Differences in Artery and Vein distribution: Depth of location |
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Definition
| Arteries are deep, veins are superficial. |
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Term
| Systemic Veins: Differences in Artery and Vein distribution: Veins |
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Definition
| Usually have several parallel veins rather than one large vein |
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Term
| Systemic Veins: Differences in Artery and Vein distribution: 2 unusual venous drainage areas in body |
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Definition
| Dural Sinuses, Hepatic Portal System |
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Term
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Definition
| Superior Vena Cava, Brachiocephalic veins, Internal Jugular, Subclavian, External Jugular |
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Term
| Superior Vena Cava function |
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Definition
| Receives blood from body regions superior to diaphragm (except heart). |
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Term
| Superior Vena Cava is formed by... |
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Definition
| Left and Right Brachiocephalic veins |
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Term
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Definition
| Formed by Internal Jugular and Subclavian |
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Term
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Definition
| Receives blood from dural sinuses |
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Term
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Definition
| Receives blood from upper limb. |
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Term
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Definition
| Receives blood from scalp and parts of face |
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Term
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Definition
| Drains blood that supplies heart muscle |
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Term
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Definition
| Returns blood from all areas inferior to diaphragm. |
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Term
| Inferior Vena Cava: Formed by |
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Definition
| Union of common iliac veins |
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Term
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Definition
Returns blood from lower limbs
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Term
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Definition
| Receives blood from hands |
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Term
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Definition
| Palmar Arches to Radial vein/Ulnar Vein to Brachial vein |
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Term
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Definition
| Axillary, Cephalic, Basilic, Subclavian |
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Term
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Definition
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Term
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Definition
| Joins Brachial vein at start of axillary vein |
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Term
| Veins of lower limbs: List |
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Definition
| Anterior Tibial, Posterior Tibial, Popliteal, Femoral, External Iliac, Internal Iliac, Common Iliac, Great Saphenous |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Empties into inferior vena cava |
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Term
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Definition
| Empties into femoral vein from medial lower leg |
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Term
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Definition
| Blood pooling in veins of anal canal |
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Term
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Definition
| Clot formation in vein of lower extremity which travels and blocks the flow in another vessel. |
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Term
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Definition
| Faulty venous valves cause blood pooling, common in obesity and pregnancy |
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Term
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Definition
| Sac-like widening of a vessel increasing risk of rupture, very dangerous in brain. |
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Term
| Arteriosclerosis: Overview |
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Definition
| Pathological thickening and loss of elasticity |
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Term
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Definition
| Occurs with age, smooth muscle and elastin replaced with fibrous tissue. |
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Term
| Atherosclerosis: Location |
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Definition
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Term
| Atherosclerosis: Prevention |
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Definition
| Best prevention is a low-fat diet and exercise |
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Term
| Atherosclerosis: Mechanism |
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Definition
| Initially caused by entrance of LDL into intimal layer which eventually causes plaque formation. |
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Term
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Definition
| Eventually thrombosis forms and can block arteries. |
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