Artlabeling Activity Arteries of the Chest and Upper Limb 2 of 3

Picture of the Arteries

Human Anatomy

Medically Reviewed by Ballad DerSarkissian, Doc on June 23, 2021

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The arteries are the blood vessels that deliver oxygen-rich blood from the centre to the tissues of the body. Each artery is a muscular tube lined by smoothen tissue and has three layers:

• The intima, the inner layer lined by a smooth tissue called endothelium
• The media, a layer of muscle that lets arteries handle the high pressures from the eye
• The adventitia, connective tissue anchoring arteries to nearby tissues

The largest artery is the aorta, the main high-pressure pipeline connected to the centre's left ventricle. The aorta branches into a network of smaller arteries that extend throughout the body. The arteries' smaller branches are called arterioles and capillaries. The pulmonary arteries carry oxygen-poor blood from the heart to the lungs under low force per unit area, making these arteries unique.

Conditions of the Arteries

• Atherosclerosis: The buildup of cholesterol (a waxy substance) into what are called plaques in the arteries' walls. Atherosclerosis in the arteries of the middle, brain, or neck can lead to heart attacks and strokes.
• Vasculitis (arteritis): Inflammation of the arteries, which may involve 1 or more arteries at the same fourth dimension. Most vasculitis is caused by an overactive allowed arrangement.
• Amaurosis fugax: Loss of vision in one eye caused by a temporary loss of claret flow to the retina, the low-cal-sensitive tissue that lines the back of the center. It usually occurs when a portion of a cholesterol plaque in 1 of the carotid arteries (the arteries on either side of the neck that supply blood to the brain) breaks off and travels to the retinal artery (the artery that supplies blood and nutrients to the retina.)
• Stenosis of the arteries: Narrowing of the arteries, normally caused by atherosclerosis. When stenosis occurs in arteries in the heart, neck, or legs, the limitations in blood catamenia tin can cause serious health problems.
• Peripheral artery affliction: Atherosclerosis that causes narrowing of the arteries in the legs or groin. The limitation in blood catamenia to the legs may cause hurting or poor wound healing.
• Arterial thrombosis: A sudden blood clot in one of the arteries, stopping blood flow. Firsthand treatment is necessary to restore blood period in the artery.
• Myocardial infarction (heart attack): A sudden claret clot in ane of the arteries supplying blood to the heart.
• Cerebrovascular accident (stroke): A sudden claret clot in one of the arteries supplying blood to the brain. Strokes may also occur when one of the arteries in the brain bursts, causing bleeding.
• Temporal arteritis: Inflammation of the temporal artery in the scalp. Pain in the jaw with chewing and pain over the scalp are common symptoms.
• Coronary artery disease: Atherosclerosis with narrowing of the arteries supplying claret to the heart muscle. Coronary artery disease makes a eye attack more probable.
• Carotid avenue disease: Atherosclerosis with narrowing of one or both of the carotid arteries in the neck. Disease of the carotid arteries makes stroke more than probable.

Tests of the Arteries

• Angiogram (angiography): A thin, flexible tube is inserted into the arteries, special dye is injected, and an X-ray shows claret flow through the arteries. Areas of narrowing or bleeding in the arteries tin can often be identified through angiography.
• Computed tomographic angiography (CT-A scan): A CT scanner takes multiple X-rays, and a computer compiles them into detailed images of the arteries. A CT-A scan can frequently testify narrowing or other bug in the arteries with less risk than regular angiography.
• Stress examination: Either with exercise or medicines, the heart is stimulated to beat out rapidly. As this stress increases claret period through the heart, narrowings in the coronary arteries may be identified through various testing techniques.
• Magnetic resonance angiography (MRA scan): An MRI scanner uses a high-powered magnet and a calculator to create highly detailed images of structures inside the body. MRA is a setting that allows an MRI scanner to best brandish images of the arteries.
• Cardiac catheterization: A catheter (a thin, flexible tube) is inserted into ane of the arteries in the groin, neck or arm and advanced into the heart. A dye that improves image contrast is injected through the catheter so that claret flow through the coronary arteries can be seen on an Ten-ray screen. Blockages in the arteries may so exist found and treated.
• Artery biopsy: A small piece of an avenue is removed and examined under a microscope, ordinarily to diagnose vasculitis. The temporal artery in the scalp is most oft biopsied.

Treatments for the Arteries

• Statins: Cholesterol-lowering medicines taken by oral fissure, including atorvastatin (Lipitor), fluvastatin (Lescol), lovastatin (Altoprev, Mevacor), pitavastatin (Livalo), pravastatin (Pravachol), rosuvastatin (Crestor) and simvastatin (Zocor). Taken daily, statins can lower the risk of a centre set on or stroke.
• Aspirin: In improver to its hurting-reducing and fever-reducing backdrop, aspirin interferes with blood clotting. Taken daily, aspirin tin can help prevent heart attacks and strokes.
• Plavix (clopidogrel): A medicine that interferes with blood clotting, similar to aspirin. Plavix is commonly prescribed after middle attacks or strokes to prevent future ones.
• Arterial stenting: A stent -- a modest mesh tube -- is placed inside an artery to hold it open. Stenting is most often performed on the coronary arteries.
• Angioplasty: During a catheterization of one of the arteries, a balloon is inflated inside the artery to help open it up.
• Corticosteroids: Anti-inflammatory medicines like prednisone or methylprednisolone (Solu-medrol) are used to care for vasculitis affecting the arteries.
• Biologics: A biologic drug called tocilizumab (Actemra) may be used. Tocilizumab is given equally an injection under the skin.This medicine may be used along with steroids.
• Thrombolytics: Powerful "clot-busting" drugs may be injected into the body to deliquesce a blood clot causing a heart assault or stroke.
• Cilostazol (Pletal) and pentoxifylline (Trental): Medicines that help increment claret flow through the arteries of the legs. In people with peripheral artery disease, these drugs can reduce the pain of walking.

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Source: https://www.webmd.com/heart/picture-of-the-arteries

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