What causes local widening of an artery?
What causes local widening of an artery?
Vasodilation occurs naturally in your body in response to triggers such as low oxygen levels, a decrease in available nutrients, and increases in temperature. It causes the widening of your blood vessels, which in turn increases blood flow and lowers blood pressure.
What is the medical term for rupture of an artery?
Aneurysm: A localized widening (dilatation) of an artery, a vein, or the heart. At the point of an aneurysm, there is typically a bulge. The wall of the blood vessel or organ is weakened and may rupture.
What is the medical term for the membrane surrounding the heart?
The pericardium is a thin, two-layered, fluid-filled sac that covers the outer surface of the heart. It provides lubrication for the heart, shields the heart from infection and malignancy, and contains the heart in the chest wall.
What is the Saclike membrane surrounding the heart?
A double-layered membrane called the pericardium surrounds your heart like a sac. The outer layer of the pericardium surrounds the roots of your heart’s major blood vessels and is attached by ligaments to your spinal column, diaphragm, and other parts of your body.
What is a ballooned artery called?
An aneurysm—a balloon-like bulge in an artery—can develop and grow for years without causing any symptoms. But an aneurysm is a silent threat to your health. If an aneurysm grows too large, it can burst open, or rupture, and lead to dangerous bleeding inside the body.
What is the medical term for behind?
Posterior: The back or behind, as opposed to the anterior. Posteroanterior: From back to front, as opposed to anteroposterior.
Is a condition in which arteries harden?
Arteriosclerosis occurs when the blood vessels that carry oxygen and nutrients from your heart to the rest of your body (arteries) become thick and stiff — sometimes restricting blood flow to your organs and tissues.
What dilates blood vessels naturally?
Fatty fish like salmon and mackerel are excellent sources of omega-3 fatty acids. These fats are especially beneficial for circulation because they promote the release of nitric oxide, which dilates your blood vessels and increases blood flow (17).
What causes dilated blood vessels?
There are several reasons a person may have dilated blood vessels. Some of the more common reasons include: Rosacea. Pregnancy. Liver disease. Sun damage or photosensitivity. Medications or surgery.
Is vasodilation dangerous?
The vasodilatation that occurs during anaphylaxis can prove deadly by blocking the airway and drastically lowering the blood pressure. Vasodilation is the increase in the interior diameter of blood vessels.
What opens blood vessels?
The ginger root is known as a vasodilator. It can open up blood vessels to allow blood to pass through. It also has anti-inflammatory properties. The root of the ginger can be consumed fresh, powdered, dry as a spice, in oil form, or as a juice.