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	Blood Vessel Disorders - Overview, FAQs - dermatologychannel
		The blood supply in the skin (cutaneous blood supply) is delivered by an interconnecting network of small arteries (arterioles), veins (venules), and tiny vessels called capillaries that connect the arterioles to the venules.
		In the embryo, certain cells are responsible for stimulating blood vessel development.
		These are tiny dilated blood vessels found in the skin's surface layer.
	www.dermatologychannel.net /bloodvessel (771 words)

	Blood vessel Summary
		The term "arterial blood" is nevertheless used to indicate blood high in oxygen, although the pulmonary artery carries "venous blood" and blood flowing in the pulmonary vein is rich in oxygen.
		Blood vessels do not actively engage in the transport of the blood (they have no appreciable peristalsis), but arteries - and veins to a degree - can regulate their caliber by contraction of the muscular layer.
		Atherosclerosis, the formation of lipid lumps (atheromas) in the blood vessel wall, is the prime cause of cardiovascular disease, the main cause of death in the Western world.
	www.bookrags.com /Blood_vessel (1458 words)

	Blood Vessel - Search Results - MSN Encarta
		Blood Vessel, any of the veins, arteries, and capillaries that transport blood through the body.
		anatomy of blood vessels, blood circulation, blood pressure, body temperature regulation, capillaries, changes due to aging, discovery of blood...
		Instead of flowing through a complex network of blood vessels, an insect’s blood travels through one main blood vessel, the aorta, which runs the...
	encarta.msn.com /Blood_Vessel.html (139 words)

	Blood Vessels
		The smaller the radius of a vessel, the greater is the resistance to the movement of particles; this increased resistance results from a greater probability of the particles of the fluid colliding with the vessel wall.
		However, the length of the blood vessels in the body is not altered significantly and the overall length is kept to a minimum because of the parallel circuits in the systemic circulation.
		Blood pressure in the pulmonary system is considerably lower than that of the systemic system but there is still a pressure gradient from the blood leaving the right ventricle to the left atrium.
	classes.tmcc.edu /eburke/other-notes/Blood_vessels.htm (6349 words)

	Blood Vessels - The Human Heart: An Online Exploration from The Franklin Institute, made possible by Unisys
		In a general sense, a vessel is defined as a hollow utensil for carrying something: a cup, a bucket, a tube.
		Besides circulating blood, the blood vessels provide two important means of measuring vital health statistics: pulse and blood pressure.
		It is normal for your blood pressure to increase when you are exercising and to decrease when you are sleeping.
	www.fi.edu /learn/heart/vessels/vessels.html (403 words)

	Complications of Blood Vessels
		Changes in the normal function of the blood vessels directly contribute to four of the most common and serious cardiovascular problems affecting people in the western world: hypertension, heart attacks, stroke and peripheral arterial disease.
		Diseases and dysfunction of the blood vessels may occur as a result of a multiplicity of causes and factors.
		The monocytes move from the blood stream into the vessel wall and are subsequently transformed into a type of cell known as a foam cell.
	www.miamiheartresearch.org /LearningCenter/BloodVessels/Complications.htm (799 words)

	Blood Vessels (Site not responding. Last check: 2007-11-07)
		Blood vessels are structures that carry the blood from the heart to all the tissues of the body and then back to the heart.
		In lab you were able to look at blood vessels under the microscope, and you identified the major components of a blood vessel: tunica externa, tunica media, and tunica intima.
		Since some blood vessels have very thick walls, while others have extremely thin walls, and the tunica interna and tunica externa remain pretty constant in thickness, the difference in blood vessel thickness must mainly depend on the thickness of the tunica media.
	faculty.stcc.edu /AandP/AP/AP2pages/Units18to20/vessels/blood.htm (842 words)

	Blood Vessels
		In a general sense, a vessel is defined as a hollow utensil for carrying something: a cup, a bucket, a tube.
		Located throughout your body, your blood vessels are hollow tubes that circulate your blood.
		It is normal for your blood pressure to increase when you are exercising and to decrease when you are sleeping.
	sln.fi.edu /biosci/vessels/vessels.html (333 words)

	The Blood Vessel Photo Gallery
		The Blood Vessel Out and About & The Rue Mourge
		Working on The Blood Vessel and The Rue Mourge
		Blood Vessel Hottie Butterfly Lisa on Clarice @ Satori
	www.bloodvessel.org /gallery.html (102 words)

	Synthetic Blood Vessels Not Such a Stretch \| LiveScience
		The synthetic blood vessels could eventually be used in patients undergoing heart surgery to have their hardened or blocked arteries removed and replaced with prosthetics or grafts that would allow the regeneration of a new artery.
		In recent years, specialists called tissue engineers have begun to figure out how to help patients grow new tissues and even entire organs to replace ailing and failing parts such as blood vessels, skin, cartilage, bone, stomachs, bladders and even hearts.
		With blood vessels, experts already have shown that it is possible to make synthetic arteries that work in the lab.
	www.livescience.com /health/060619_synthetic_arteries.html (739 words)

	Howstuffworks "How Blood Works"
		But blood is the most commonly tested part of the body, and it is truly the river of life.
		Blood is a mixture of two components: cells and plasma.
		Approximately 2.75 to 3 liters of blood is plasma and the rest is the cellular portion.
	health.howstuffworks.com /blood.htm (462 words)

	BME 332: Blood Vessel Structure-Function
		In general the circulatory system of blood vessels may be broken down into those vessels that deliver oxygenated blood to tissues: the arteries, arterioles, and capillaries, and those vessels that return blood with carbon dioxide for gas exchange: the veins and venules.
		Since the blood vessel is under stress, when we cut the vessel, the stress holding the vessel together is removed and the blood vessel springs open.
		In that case, the blood vessel is often described as a cylinder, with stress and strain represented using cylindrical coordinates.
	www.engin.umich.edu /class/bme332/chap11bloodvessel/bme332bloodves.htm (2329 words)

	Blood
		Blood is essential for good health because the body depends on a steady supply of fuel and oxygen to reach its billions of cells.
		Blood also carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system; from there they are removed from the body.
		Diseases of the blood that commonly affect young people can involve any or all of the three types of blood cells (red blood cells, white blood cells, or platelets) or the proteins and chemicals in the plasma that are responsible for clotting.
	kidshealth.org /teen/your_body/body_basics/blood.html (1922 words)

	What is High Blood Pressure?
		When you have your blood pressure taken, your health care provider is measuring the pressure, or tension, that blood exerts on the walls of the blood vessels as it travels around the body.
		But when blood pressure is high all the time, the continuous increased force on blood vessel walls can damage blood vessels and organs, including the heart, kidneys, eyes, and brain.
		High blood pressure is a condition in which the pressure, or tension, that blood exerts on the walls of blood vessels goes up and stays high, which can damage the blood vessels, the heart, and other organs.
	www.ehealthmd.com /library/highbp/HBP_whatis.html (1041 words)

	Baby's brain repaired with innovative medical procedure (Site not responding. Last check: 2007-11-07)
		See a drawing of the malformed blood vessels in baby Kade Casteel's brain.
		The innovative repair of a rare blood vessel malformation in his brain allowed 1-year-old Kade Casteel to celebrate Christmas for the first time with his older sisters at home near Baton Rouge, La.
		Blood returned to the heart under high pressure, forcing the pump to work harder and harder to meet the unending demand from the brain vessels.
	www.post-gazette.com /pg/06361/749065-114.stm (1041 words)

	Harvard Gazette: New blood vessel role found
		Their experiments document a key role played by the lining of blood vessels in the formation of a pancreas and its insulin-producing cells.
		Blood vessels, which consist of only a single layer of cells, come into contact with the tube and secrete an as-yet-unknown substance that leads buds to form on the tube.
		This experiment shows that it is not just blood causing the growth but cells that will later become the inside lining of blood vessels.
	www.news.harvard.edu /gazette/2001/09.27/01-pancreas.html (750 words)

	Howstuffworks "Aneurysm: A Profile of a Damaged Blood Vessel"
		An aneurysm is a bulge in a blood vessel, usually an artery, due to a weakness in the vessel wall, particularly in the elastic, muscular, middle layer of the artery wall.
		A dissecting aneurysm occurs when blood separates the layers, thereby creating an extra channel, sometimes extending the full length of the artery, through which blood flow is diverted from the organs or tissues served by the blood vessel.
		The damaged portion of the blood vessel is removed and replaced with a synthetic vessel or a natural vessel taken from elsewhere in the body.
	health.howstuffworks.com /define-aneurysm.htm (756 words)

	HHMI Bulletin: Blood Works
		In the 1990s, researchers realized it might be possible to keep cancer from spreading by blocking blood vessel development in tumors—or, alternatively, to encourage blood vessels to grow in damaged tissues such as those of the heart or liver.
		Krasnow found that blood cell growth in fruit flies is regulated by vascular endothelial growth factor (VEGF), which is also important for the development of blood vessels in mammals.
		For the past century, scientists believed that the two kinds of blood vessels were essentially the same tubular plumbing, differing only in function: Arteries carry oxygenated blood to the body's tissues, while veins return deoxygenated blood to the heart.
	www.hhmi.org /bulletin/june2003/blood/blood2.html (2678 words)

	Blood
		Two types of blood vessels carry blood throughout our bodies: The arteries carry oxygenated blood (blood that has received oxygen from the lungs) from the heart to the rest of the body.
		When a person has an infection, his or her white cell count (the number of cells in a given amount of blood) often is higher than when he or she is well because more white blood cells are being produced or are entering the bloodstream to battle the infection.
		Blood also carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system, from where they are removed from the body.
	kidshealth.org /parent/general/body_basics/blood.html (2192 words)

	People With Cholesterol In High Normal Range Have Blood Vessel Abnormality (Site not responding. Last check: 2007-11-07)
		To carry blood throughout the body and maintain normal blood pressure, the blood vessel must be able to widen.
		The scientists measured how blood flow in the leg changed in response to infusions of a chemical agent (methacholine chloride) that's known to act on the endothelium to widen vessels and increase blood flow.
		Leg blood flow responses to the infusions were significantly blunted in the individuals with high-normal cholesterol, compared to those with low-normal cholesterol.
	www.pslgroup.com /dg/46172.htm (930 words)

	Flavonoid-rich dark chocolate boosts blood vessel function, study suggests
		Better blood flow is good for your heart." The study appears in the June issue of the Journal of the American College of Nutrition.
		Previous clinical studies have shown the beneficial effects of chocolate on the function of blood vessel endothelium [the inner lining of blood vessels] after either a single dose or several doses of chocolate over a few days.
		The induced increase in blood flow after the cuff is deflated causes release of many dilator substances, such as nitric oxide and prostanoids, which relax, the artery.
	www.eurekalert.org /pub_releases/2004-06/uoc--fdc052604.php (854 words)

	Blood Vessel
		There are already natural formulations that balance the blood itself, remove the elements that attack and rupture the vulnerable plaque, repair existing artery lesions, and prevent their further formation.
		A person may never even know that a significant artery in their body gradually closed off, because it was safely and reliably replaced by tiny blood vessels that are not visible on the usual arteriogram studies in hospitals.
		Type O blood (containing neither type) is found in 47% of the Caucasian population; type A, 41%; type B, 9%; type AB, 3%.
	www.gordonresearch.com /articles_cardiovascular/blood_vessel.html (872 words)

	Diesel exhaust may impair blood vessel function
		In the study, researchers found that exposure to diesel exhaust for one hour during exercise caused a significant decrease in blood vessels’ natural ability to expand (dilate).
		Air pollution contributes to death and illness involving the heart and blood vessels.
		Two and six hours after being in the exposure chamber, the men received infusions of vasodilating drugs — substances that cause blood vessels to relax and expand — in one arm. Researchers measured blood flow in the infused and non-infused arms.
	www.americanheart.org /presenter.jhtml?identifier=3036141 (804 words)

	Flavanol-rich cocoa improves blood vessel function
		The researchers tracked changes in the function of their peripheral arteries using several measures, including peripheral arterial tonometry a standard method for evaluating the health of an individual's blood vessels.
		At the study's completion, significant improvements in vessel function following the consumption of flavanol rich cocoa were seen in both young and older adults.
		While aging has previously been shown to lead to a deterioration of blood vessel function, this study is the first to demonstrate that the consumption of flavanol-rich cocoa can improve this age-related loss of vessel function in older adults.
	www.foodconsumer.org /777/8/Flavanol-rich_cocoa_improves_blood_vessel_function.shtml (827 words)

	Blood Vessels
		Blood vessel length – the longer the vessel, the greater the resistance encountered
		Blood pressure is regulated by chemoreceptor reflexes sensitive to oxygen and carbon dioxide
		Blood flow to the brain is constant, as neurons are intolerant of ischemia
	arnica.csustan.edu /physiology/Zool_4280/Zool_4280_Lectures/09_Blood_Vessels.htm (2133 words)

	Surgeons Test Possible Treatment for Failed Blood Vessel Grafts
		The transplanted blood vessels used to treat peripheral arterial disease and heart disease are at high risk of accelerated atherosclerosis.
		Now, for the first time, surgeons believe they have a promising means to extend the life of these blood vessel grafts: bathing them, prior to transplantation, in a solution called E2F decoy that may block the work of the gene that ultimately leads to atherosclerosis.
		In advanced cases of peripheral arterial disease, surgeons reroute, or bypass, blood around clogged arteries in the legs using vein grafts, similar to a coronary artery bypass procedure, Dr. Cambria explains.
	healthlink.mcw.edu /article/1031002428.html (773 words)

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