A noun is a type of word the meaning of which determines reality. Nouns provide the names for all things: people, objects, sensations, feelings, etc.
WHAT DOES VASOCONSTRICTION MEAN IN ENGLISH?
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 staunching hemorrhage and acute blood loss. When blood vessels constrict, the flow of blood is restricted or decreased, thus retaining body heat or increasing vascular resistance. This makes the skin turn paler because less blood reaches the surface, reducing the radiation of heat. On a larger level, vasoconstriction is one mechanism by which the body regulates and maintains mean arterial pressure. Substances causing vasoconstriction are called vasoconstrictors, vasopressors, or simply "pressors". Generalized vasoconstriction usually results in an increase in systemic blood pressure, but it may also occur in specific tissues, causing a localized reduction in blood flow. The extent of vasoconstriction may be slight or severe depending on the substance or circumstance. Many vasoconstrictors also cause pupil dilation.
The translations of vasoconstriction from English to other languages presented in this section have been obtained through automatic statistical translation; where the essential translation unit is the word «vasoconstriction» in English.
List of principal searches undertaken by users to access our English online dictionary and most widely used expressions with the word «vasoconstriction».
FREQUENCY OF USE OF THE TERM «VASOCONSTRICTION» OVER TIME
The graph expresses the annual evolution of the frequency of use of the word «vasoconstriction» during the past 500 years. Its implementation is based on analysing how often the term «vasoconstriction» appears in digitalised printed sources in English between the year 1500 and the present day.
Examples of use in the English literature, quotes and news about vasoconstriction
10 ENGLISH BOOKS RELATING TO «VASOCONSTRICTION»
Discover the use of vasoconstriction in the following bibliographical selection. Books relating to vasoconstriction and brief extracts from same to provide context of its use in English literature.
Hypoxic Pulmonary Vasoconstriction: Cellular and Molecular ...
State-of-the-art findings relevant to cellular and molecular processes of hypoxic pulmonary vasoconstriction as well as knowledge regarding etiological mechanisms and experimental therapeutics are well covered and complete the overview this ...
Jason X.-J. Yuan, 2004
Critical Care Nephrology
Efferent arteriolar vasoconstriction decreases renal blood flow and increases
glomerular filtration pressure Afferent arteriolar vasoconstriction decreases both
renal blood flow and glomerular filtration FIGURE 21-1. Diagram showing the ...
Claudio Ronco, Rinaldo Bellomo, John A. Kellum, 2008
Advanced Therapy of Headache
The prolonged vasoconstriction associated with migraine causes brain infarction.
• Migraine and vasoconstriction activate platelets promoting thrombus formation. •
Vascular endothelial damage related to migrainous vasoconstriction activates ...
Alan M. Rapoport, Fred D. Sheftell, R. Allan Purdy, 1999
Pathophysiology of Heart Disease
worst elements of both disorders; namely, longstanding vasoconstriction with
resultant marked increases of systemic arterial blood pressure, will result in an
increased wall stress to the left ventricle. Over the course of years, this will result
Naranjan S. Dhalla, Pawan K. Singal, Robert E. Beamish, 1987
Chest Medicine: Essentials of Pulmonary and Critical Care ...
Catecholatnines and Other Vasoactive Substances Release of substantial
amounts of epinephrine or norepineph- rine may elicit mild pulmonary
vasoconstriction because of the prevalence of a-receptors within the pulmonary
vascula- ture (53 ...
Ronald B. George, 2005
Exercise Physiology: Integrating Theory and Application
Norepinephrine is the primary neurotransmitter re- leased by sympathetic nerves
innervating peripheral blood vessels, and affects primarily receptors (alpha
receptors), causing vasoconstriction. On the other hand, epinephrine affects ...
William J. Kraemer, Steven J. Fleck, Michael R. Deschenes, 2011
Drug-induced Diseases: Prevention, Detection, and Management
Systemic vasoconstriction can lead to hypertension and intracerebral
hemorrhage (ICH), whereas cerebral vasoconstriction can lead to infarction.
Vasoconstriction may be transient or prolonged. Vasospasm with subsequent
cerebral infarction ...
James E. Tisdale, Douglas A. Miller, 2010
The triptans are considered to have three potential mechanisms of action that
could explain their acute migraine-relieving effects: cranial vasoconstriction (59),
peripheral neuronal inhibition (91) and inhibition of transmission through ...
Jes Olesen, 2006
The Effect of Acute Exercise on Femoral Artery ...
During a single bout of aerobic exercise, blood flow is shunted to exercising tissues while blood flow is maintained or reduced to less metabolically active areas (i.e. splanchnic area and non-working muscles).
Justin C. S. Chung, 2008
Caplan's Stroke: A Clinical Approach
Patients who die from SAH with vasoconstriction less than 3 weeks after the initial
hemorrhage show necrosis of the media, whereas pa- tients who live longer than
3 weeks show marked concentric intimal thickening, subendothelial fibrosis, ...
Louis Caplan, 2009
10 NEWS ITEMS WHICH INCLUDE THE TERM «VASOCONSTRICTION»
Find out what the national and international press are talking about and how the term vasoconstriction is used in the context of the following news items.
Feeling the pressure
Astroctyes are thought to regulate cerebral vasoconstriction, but how astrocytes sense haemodynamic stimuli is not known. A new study found that, in rats and ... «Nature.com, Jun 15»
Life for Harm Reduction
What if the blotter acid is actually 25I-NBOMe, which unlike LSD is known to have caused overdose deaths and vasoconstriction? What's the consumer, if still ... «CounterPunch, Jun 15»
Indoor Air Purification Can Benefit Heart, Study
Researchers then measured 14 biomarkers of inflammation, coagulation, and vasoconstriction including lung function; blood pressure (BP); and fractional ... «News Every day, May 15»
Vascular type 1A angiotensin II receptors regulate renal blood flow …
Angiotensin II (Ang II)-dependent renal vasoconstriction contributes to blood pressure control, sodium balance and the pathogenesis of hypertension, according ... «Nature.com, Apr 15»
Professional Opinion: Why do women seem to be colder than men?
But barring an illness diagnosis, cold extremities just reflect the body's normal conservation -- they're typically the result of vasoconstriction, the constriction of ... «Hilton Head Island Packet, Feb 15»
Everybody Into The Sauna?
The fall in blood pressure is prevented by an increase in cardiac output mediated mostly by an increase in heart rate and by visceral vasoconstriction. «Forbes, Feb 15»
Regulating blood pressure with ATP
... GPCRs and stimulate vasoconstriction—is specifically coupled to activation of the ATP (adenosine 5′-triphosphate)–releasing channel pannexin1 (Panx1). «Science Magazine, Feb 15»
Managing the Difficult Pain Case: Case 4
A visit to the headache clinic 3 weeks later to review her MRA and conventional angiogram revealed multifocal, segmental areas of vasoconstriction in the large ... «Pain Medicine News, Dec 14»
Use of Antihypotensive Medications in Shock Patients
The others are typically known as “vasopressors” or “pressors,” as they have at least a modest ability to press (cause vasoconstriction) the peripheral vasculature ... «JEMS.com, Sep 14»
Vasoconstriction: Pitting man against woman since the Garden of …
Essentially, female people-types always feel colder than men people-types due to a biological process called vasoconstriction. When a persons skin feels cold, ... «The Spokesman Review, Jul 14»
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