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- Baroreflex abstract "The baroreflex or baroreceptor reflex is one of the body's homeostatic mechanisms which helps to maintain blood pressure at nearly constant levels. The baroreflex provides a rapid negative feedback loop in which an elevated blood pressure reflexively causes the heart rate to decrease and also causing blood pressure to decrease. Decreased blood pressure decreases baroreflex activation and causes heart rate to increase and to restore blood pressure levels. The baroreflex can begin to act in less than the duration of a cardiac cycle (fractions of a second) and thus baroreflex adjustments are key factors in dealing with postural hypotension, the tendency for blood pressure to decrease on standing due to gravity.The system relies on specialized neurons, known as baroreceptors, in the aortic arch, carotid sinuses, and elsewhere to monitor changes in blood pressure and relay them to the brainstem. Baroreceptors are stretch receptors and respond to the pressure induced stretching of the blood vessel in which they are found. Baroreflex induced changes in blood pressure are mediated by both branches of the autonomic nervous system - that is the parasympathetic and sympathetic nerves. Baroreceptors are active even at normal blood pressures so that their activity informs the brain about both increases and decreases in blood pressure. Atrial natriuretic peptide forms a parallel negative feedback loop in an endocrinological contrast to the renin-angiotensin system.".
- Baroreflex wikiPageID "1174240".
- Baroreflex wikiPageRevisionID "602428699".
- Baroreflex hasPhotoCollection Baroreflex.
- Baroreflex subject Category:Autonomic_nervous_system.
- Baroreflex subject Category:Blood_pressure.
- Baroreflex subject Category:Cardiovascular_physiology.
- Baroreflex subject Category:Human_homeostasis.
- Baroreflex subject Category:Reflexes.
- Baroreflex subject Category:Vagus_nerve.
- Baroreflex type BodilyProcess113440063.
- Baroreflex type OrganicProcess113526110.
- Baroreflex type PhysicalEntity100001930.
- Baroreflex type Process100029677.
- Baroreflex type Reaction100859001.
- Baroreflex type Reflex100863513.
- Baroreflex type Reflexes.
- Baroreflex comment "The baroreflex or baroreceptor reflex is one of the body's homeostatic mechanisms which helps to maintain blood pressure at nearly constant levels. The baroreflex provides a rapid negative feedback loop in which an elevated blood pressure reflexively causes the heart rate to decrease and also causing blood pressure to decrease. Decreased blood pressure decreases baroreflex activation and causes heart rate to increase and to restore blood pressure levels.".
- Baroreflex label "Baroreceptorreflex".
- Baroreflex label "Baroreflex".
- Baroreflex label "Baroreflex".
- Baroreflex label "血圧反射機能".
- Baroreflex sameAs Baroreflex.
- Baroreflex sameAs 血圧反射機能.
- Baroreflex sameAs Baroreceptorreflex.
- Baroreflex sameAs m.04dg_1.
- Baroreflex sameAs Q808725.
- Baroreflex sameAs Q808725.
- Baroreflex sameAs Baroreflex.
- Baroreflex wasDerivedFrom Baroreflex?oldid=602428699.
- Baroreflex isPrimaryTopicOf Baroreflex.