Sentences with phrase «by constricting blood vessels»

Another way chronic stress promotes brain degeneration is by constricting blood vessels and blood flow, depriving the brain of oxygen.

Scalp cooling caps appear to limit this damage by constricting blood vessels in the scalp, reducing the amount of chemo that is delivered to the hair follicles, Nangia explained.

Next Page: Hydrocortisone [pagebreak] Hydrocortisone An anti-inflammatory topical steroid that shrinks swollen tissue by constricting blood vessels, hydrocortisone is often used to stop the itching caused by chronic skin conditions like eczema and contact dermatitis, and its also an ingredient in vaginal and hemorrhoidal creams.

Nondrowsy decongestants are generally based on pseudoephedrine, an ingredient that works by constricting blood vessels, which can be good for congestion but is not always a good thing.

The host's body will try to stop the bleeding by constricting blood vessels and coagulating the blood to form a clot.

Not exact matches

When a mammal holds its breath and dives, the body responds by slowing the heart rate, constricting blood vessels in the extremities and contracting the spleen to release stored oxygenated red blood cells.

However, two subtypes of migraines, basilar and hemiplegic, are thought to cause pain by doing the opposite — constricting rather than swelling the blood vessels of the brain.

The problem is that the body breaks down and eliminates real hemoglobin that is not protected by red blood cells, a process that can be toxic to the kidneys, constrict blood vessels (resulting in hypertension), and cause inflammation.

The theory is that it does so by dilating vessels leading to the glomeruli, while constricting those through which blood exits.

They also try to increase blood flow to the kidneys by injecting salt or glucose solutions, which dilate constricted vessels.

Angiotensin II was first isolated at Cleveland Clinic in the 1950s by Irvine Page, M.D., who discovered that the substance in blood causes blood vessels to constrict and blood pressure to rise.

They regulate their temperature by constricting or expanding blood vessels in their tails.

The skin responds by narrowing its blood vessels in order to constrict the supply of blood and retain body heat (vasoconstriction).

Conventional eye creams work by temporarily constricting blood vessels or coating the skin in a film to artificially tone it.

Nitric oxide enhances blood flow, and endothelin - 1 restricts it, either by directly constricting blood vessels or by suppressing NO production.

Vascular tone, how much the blood vessels are constricted in increased by insulin by increased intracellular calcium and activation of the sympathetic nervous system.

Hawthorn works by dilating blood vessels, thereby increasing the heart's energy supply and improving its pumping ability and does this by blocking the action of a blood constricting enzyme called ACE (angiotensin - converting enzyme).

When it drops too low, the kidneys increase the pressure by producing a blood vessel - constricting protein (angiotensin).

Human health is positively influenced by carbon dioxide for without the blood vessels in the body would constrict and death would follow.