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Over time, the force and friction of high blood pressure damages the delicate tissues inside the arteries. The tunica externa also contains tiny blood vessels called vasa vasorum that supply blood to the walls of your veins. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. any channel through which the blood normally circulates; an artery, vein, or capillary.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. The blood vessels are part of the circulatory system and function to transport blood throughout the body. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Circulation definition is - orderly movement through a circuit; especially : the movement of blood through the vessels of the body induced by the pumping action of the heart. Blood travels through pulmonary and systemic circuits, the pulmonary circuit being the path between the heart and lungs and the rest of the body the systemic circuit.Microcirculation is the flow of blood from arterioles to capillaries or sinusoids to venules—the smallest vessels of … Risk factors The blood vessels are comprised of arteries that pass oxygen-rich blood to the tissues of the body and veins that return oxygen-depleted blood from the tissues to the lungs for oxygen. A subconjunctival hemorrhage (sub-kun-JUNK-tih-vul HEM-uh-ruj) occurs when a tiny blood vessel breaks just underneath the clear surface of your eye (conjunctiva).
Blood vessel definition: Blood vessels are the narrow tubes through which your blood flows. “Epidemic” vs. “Pandemic” vs. “Endemic”: What Do These Terms Mean?All Of These Words Are Offensive (But Only Sometimes)Absentee Ballot vs. Mail-In Ballot: Is There A Difference?“Affect” vs. “Effect”: Use The Correct Word Every TimeIt’d be a real faux pas to miss this quiz on the words from August 3–9, 2020!to waver in mind or opinion; be indecisive or irresolute.The New Dictionary of Cultural Literacy, Third Edition
| Meaning, pronunciation, translations and examples An elastic tubular channel, such as an artery, a vein, or a capillary, through which the blood circulates. Narrowed or chronically damaged brain blood vessels. Collateral blood vessels are small capillary-like branches of an artery that form over time in response to narrowed coronary arteries.
Conditions that narrow or inflict long-term damage on your brain blood vessels also can lead to vascular dementia. The primary way that high blood pressure causes harm is by increasing the workload of the heart and blood vessels — making them work harder and less efficiently. Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, in particular the large arteries and small arterioles.The process is the opposite of vasodilation, the widening of blood vessels.The process is particularly important in controlling hemorrhage and reducing acute blood loss. Vasculitis is characterized by inflammation in and damage to the walls of various blood vessels. Published by Houghton Mifflin Harcourt Publishing Company. n an artery, capillary, or vein n.
Blood vessels definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The conjunctiva can't absorb blood very quickly, so the blood gets trapped. How to use circulation in a sentence.
There are three major types of blood vessels: arteries that carry blood away from the heart, branching into smaller arterioles throughout the …
These conditions include the wear and tear associated with aging, high blood pressure, abnormal aging of blood vessels (atherosclerosis), diabetes, and brain hemorrhage.
Look it up now! All rights reserved. Define blood vessel. An elastic tube or passage in the body through which blood circulates; an artery, a vein, or a capillary.He studied the effects of adrenin on various parts of the body; he found that it causes the pupils to dilate, hairs to stand erect, UVR has also been found to reduce nitric oxide-associated dilation of skin The discovery illustrates that it's possible to not only engineer The discovery illustrates that it is possible to not only engineer A year later, the cells continued to replenish normal Pericytes are strong contractile cells that form the initial outer layer that gives shape and strength to a developing This ability to control the type of smooth muscle cells formed in the lab could be critical in developing new Tunica media. n. An elastic tubular channel, such as an artery, a vein, or a capillary, through which the blood circulates.
Blood vessels are key components of the systemic and pulmonary circulatory systems that distribute blood throughout the body.
The tunica media is the middle layer.
blood vessel synonyms, blood vessel pronunciation, blood vessel translation, English dictionary definition of blood vessel.
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