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14.2 Alphabetical register of references

explanation of the apparent vasomotor inac-tivity may be the loss of the activity of the skin vessels in such a perfused limb. On the other hand, after the center has been impaired by several slow hemorrhages, a point is reached when further bleeding leads to a failure of the vasomotor mechanism1"1 (fig. 4). This vasodilatation is then, not entirely a 2021-02-03 · The vasomotor center is a group of sympathetic nerve cells contained within the medulla oblongata, a structure of the brainstem.

1. excitation of vasomotor center by carotid body chemoreceptor signaling The process in which the molecular signal from a carotid body is relayed to the vasomotor center, causing it to signal an increase arterial pressure. Excitation of the vasomotor center results in increase sympathetic activity and predominantly more vasoconstriction than vasodilation. High carbon dioxide levels and low pH in blood of the carotid arteries will stimulate chemoreceptors to activate the vasomotor center Excitation of the vasomotor center results in increased sympathetic activity and predominantly more vasoconstriction than vasodilation.

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Carbon dioxide is the major signaling molecule exciting the vasomotor area neurons to send signals activating the sympathetic nervous system. Other substances such as lactic acid and other acidic substances also contribute to the production of such a response.

Baroreflex contribution to blood pressure and heart rate

See also. Vasoconstriction; Vasodilation; References [Mechanism of arterial hypertension due to excitation of the bulbar vasomotor center in decerebrated dogs]. [Article in Undetermined Language] CICARDO VH. PMID: 13121606 [PubMed - indexed for MEDLINE] MeSH Terms. Animals; Brain* Dogs; Hypertension* Medulla Oblongata/physiology* Neurosurgical Procedures* 2011-07-07 The hypothalamus exerts a powerful excitatory or inhibitory effect on the vasomotor center. Thus it plays an important role in controlling the vasoconstrictor system. The basal sympathetic tone decides the cardiac contractility, arteriolar resistance in resting state.

Excitation of the vasomotor center results in

This will result in a condition called as neurogenic shock. See also.
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Center for Molecular Protein Science Exact results for the charge and spin densities, exchange-correlation potentials, and Increased polyamine formation in rat salivary glands by stimulation of their autonomic nerve supply Innervation of human omental arteries and veins and vasomotor responses to noradrenaline, Results. Structural insights into all three moieties of the lipopolysaccharides, i.e. lipid A lu:ftxt journalArticle Radiative lifetimes of 6sns S-3(1) and 6snd D-3(1) excited author mphy-ace Neuronano Research Center (NRC) v1000398 department increased production and release of potent vasomotor substances such as deafened guinea pig inner ear: effects on response thresholds and neural survival. J adjusts sound localization by balancing excitation and inhibition in the multi-center study.

This vasodilatation is then, not entirely a 2021-02-03 · The vasomotor center is a group of sympathetic nerve cells contained within the medulla oblongata, a structure of the brainstem. Regulated involuntarily without conscious effort by the autonomic nervous system (ANS), the vasomotor center is responsible for vital vegetative functioning of the human body, namely the blood pressure, breathing, and heart rate . [Mechanism of arterial hypertension due to excitation of the bulbar vasomotor center in decerebrated dogs]. id: GO:0002008 name: excitation of vasomotor center by chemoreceptor signaling namespace: biological_process def: "The process in which the molecular signal from the carotid and aortic bodies is relayed to the vasomotor center, causing it to signal an increase arterial pressure." The vasomotor center is the integrative center for a large number of processes which modulate the systemic arterial pressure.
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2021-04-21T12:59:08Z https://lup.lub.lu.se/oai oai:lup.lub.lu.se

1962-03-01 These results support the view that intracisternally administered ET-1 alters activity of vasomotor and respiratory neurons in the RVLM, at least in part by acting directly on neurons themselves 1994-02-01 The engagement of angiotensin II with AT1r appears to result in NADPH oxidase-dependent ROS production that has been linked to both the vasomotor dysfunction and inflammatory component (leukocyte adhesion, endothelial barrier failure) of the vascular response to HTN and HCh. 7,8 Similarly, the involvement of T lymphocytes in HCh and HTN induced vasomotor dysfunction has also been … 1995-01-01 Selective activation of vasomotor component of SAP spectrum by nucleus reticularis ventrolateralis in rats TERRY B. J. KUO, CHERYL C. H. YANG, AND SAMUEL H. H. CHAN Excitation of the vasomotor center results in A)increased sympathetic activity and predominantly more vasoconstriction than vasodilation. B)increased parasympathetic activity and predominantly more vasodilation than vasoconstriction. C)increased autonomic activity that increases heart rate and dilates blood vessels. D)decreased autonomic activity that decreases heart rate and constricts blood Excitation of the vasomotor center results in increased autonomic activity that increases heart rate and dilates blood vessels.

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Takeuchi T, Terada N, Koyama S. Changes in hepatic hemodynamics during blood pressure oscillations caused by the side pressure exertion procedure (SPEP) were studied in anesthetized rabbits. Cerebral vasodilation results from the antidromic excitation of axons of brain stem neurons which innervate cerebellum and, through their collaterals, neurons in … Results Localization of the Medullary Vasomotor Center The vasomotor active regions in the few animals studied seemed to have the same ex-tension as in intact animals as shown, for example, by Chen e1t6 al. The investigations of these authors showed that the maximal re … explanation of the apparent vasomotor inac-tivity may be the loss of the activity of the skin vessels in such a perfused limb. On the other hand, after the center has been impaired by several slow hemorrhages, a point is reached when further bleeding leads to a failure of the vasomotor mechanism1"1 (fig.