Doctor insights on:
Arteries are a type of blood vessels. We can divide blood vessels into 2 categories. Arteries are high pressure vessels which deliver (red) oxygen + blood out into the body. Veins on the other hand or low pressure vessels which return (dark) oxygent - blood from the body ...Read more
Arteries Constrict: Arteries, like veins, have layers of smooth muscle cells within their walls; many layers for arteries, fewer layers in veins. All the cells are oriented circumferentially. If the muscle cells contract, the inner opening for blood flow, gets smaller. Arterioles, the tiniest end arteries just prior to the capillaries, nerves to each, are most adept at changing size: control local flow & body wide bp. ...Read moreSee 2 more doctor answers
Could be bad: If you injure artery in the neck, such as carotid or vertebral dissection, could lead to stroke. If you injure the largest artery, and burst the aorta, it's death. If you lacerate an artery, bleeding may be intense. So, varies, and if you experience bright red bleeding, it may well be arterial in origin. ...Read more
What causes arterial lesions? I would think that too much physical exertion or disease might be the cause in many cases.
What lesions?: Excess physical exertion isn't a risk factor for any vascular disease. "arterial lesions" often means atherosclerosis, a very serious disease for which fitness is actually protective. You're right to be curious about disease, but avoid letting personal impressions or emotional beliefs influence what you do or share with others -- whether it concerns, health, money, love or anything else important. ...Read more
- Talk to a doctor live online for free
- Peripheral arterial disease
- What are differences between arterial and venous ulcers?
- Does getting an arterial blood gas hurt much?
- Ask a doctor a question free online
- Arterial sclerotic cardiovascular disease
- Can vitamin k2 reverse arterial calcification?
- Arterial femoral runoff
- How does sleep apnea affect arterial blood gas?
- Arterial insufficiency vs venous insufficiency