Sentences with phrase «sympathetic nerve»
A sympathetic nerve is a type of nerve in our body that helps us respond to stressful or dangerous situations. It prepares our body for action by increasing our heart rate, dilating our pupils, and pumping more blood to our muscles. It is part of our fight-or-flight response, which helps us stay alert and ready to face challenges. Full definition
Forest bathing can also decrease sympathetic nerve activity, blood pressure and heart rate.
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This enhances sympathetic nerve input down the spinal cord to the urinary bladder.
In the present study, the researchers carried out a large - scale analysis of sympathetic nerve cells, from which they were able to demonstrate that there are many different types of sympathetic neurons and that the different types are associated with a particular functions.
«Too little sodium can also increase sympathetic nerve activity, which raises the risk of heart attacks, and boost the secretion of aldosterone, a hormone produced by the adrenal gland that is bad for the cardiovascular system.»
Dopamine - β - hydroxylase is an enzyme that is localized to catecholamine - containing vesicles in sympathetic nerves and the adrenal medulla, and is also found in the serum.
These data represent evidence that at least a portion of the circulating dopamine - β - hydroxylase activity arises from sympathetic nerve terminals.
Treatment of rats with 6 - hydroxydopamine, a drug which destroys sympathetic nerve terminals, leads to a decrease in serum dopamine - β - hydroxylase activity.
While the researchers expected to find that there was no one common signal controlling the maintenance of a functional balance in organs and glands, they were surprised that they could prove it by showing that sympathetic nerve cells are heterogeneous and specialised for different functions and that the organs they control are involved in their specialization.
The NGF induced the outgrowth of sympathetic nerve fibers (color), which gained access to the spinal cord through the spinal roots and extended as far as the site of injection in the brain.
Baroreflex Dysfunction and Augmented Sympathetic Nerve Responses during Mental Stress in Veterans with Posttraumatic Stress Disorder (PTSD)
These changes in sensitivity of the postsynaptic β - adrenergic receptor are related to diurnal changes in the release of noradrenaline from sympathetic nerves innervating the pineal.
Sympathetic nerves originate inside the vertebral column, toward the middle of the spinal cord in the intermediolateral cell column (or lateral horn), beginning at the first thoracic segment of the spinal cord and are thought to extend to the second or third lumbar segments.
Tau KO mice showed an increased systolic blood pressure and cardiac hypertrophy at 13 months, which was accompanied by a significantly lower right atrial rate and a subtle decrease in the maximum contractility to calcium, isoprenaline, and electrical sympathetic nerve stimulation.
They measured blood pressure, performed an electrocardiogram (EKG), and recorded sympathetic nerve activity directly in real - time using electrodes placed inside a large nerve.
In healthy subjects, water drinking increases muscle sympathetic nerve traffic (3) and venous plasma norepinephrine concentrations (2, 3, 5).
One study on forest bathing revealed that forest environments promote lower concentrations of cortisol, lower pulse rate, lower blood pressure, greater parasympathetic nerve activity, and lower sympathetic nerve activity than do urban climes.
It works by decreasing renal sympathetic nerve activity using point - by - point radiofrequency application in the main renal arteries.
«The impact of sympathetic nerves in the skin can lead to a series of immune and inflammatory changes in the skin, which flare skin diseases such as psoriasis.»
[1] R. Corti et al., «Coffee Acutely Increases Sympathetic Nerve Activity and Blood Pressure Independently of Caffeine Content: Role of Habitual Versus Nonhabitual Drinking,» Circulation 106, no. 23 (2002): 2935 — 40.
The researchers found significant residual effects, with neither heart rate variability or sympathetic nerve activity returning to the baseline 15 minutes after the TENS machine had been switched off.
It is localized within the sympathetic nerve endings.
The sympathetic nerve system has long been thought to respond the same regardless of the physical or emotional stimulus triggering it.
Saunas have the ability to powerfully reduce the activity of the sympathetic nerve system.