Monthly Archives: August 2019

Types of Blood Vessels

Blood vessels are part of the circulatory system that transports blood throughout the body. There are three major types of blood vessels: arteries, capillaries, and veins. Each vessel has very specific functions throughout the body, and the extensive system of blood vessels is over 60,000 miles long! On today’s blog we are discussing each blood vessels and their jobs in the circulatory system.

  1. Arteries

Arteries carry blood away from the heart. Both arteries and veins have the same structure with three layers: tunica intima, tunica media, and tunica adventitia. The largest artery is the aorta, which carries blood out of the heart.

  1. Capillaries

Capillaries enable the exchange of water and chemicals between the blood and tissues. Capillaries consist of a layer of endothelium and occasional connective tissue. Capillaries are the smallest blood vessels.

  1. Veins

Veins carry blood from the capillaries back toward the heart. Veins are either arterial or venous, depending on whether the blood in it is flowing away from (arterial) or toward (venous) the heart. Most veins carry deoxygenated blood from the tissues back to the heart except for the pulmonary and umbilical veins. Veins are classified in a number of ways. Superficial veins are those that are close to the surface of the body and have no corresponding arteries. Deep veins are deeper in the body and have corresponding arteries. Pulmonary veins are a set of veins that deliver oxygenated blood from the lungs to the heart. Systemic veins drain the tissues of the body and deliver deoxygenated blood to the heart.

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Importance of Treating Varicose Veins

Spot a spider or varicose vein that looks like it may need treatment? Rather than letting it go and second-guessing yourself, we highly recommend having veins looked at to determine if any necessary treatment is needed. Although many people with varicose veins do not develop complications, it is impossible to determine a vein’s outcome from early stages of development. While the size of a vein is not related to complications, the duration of the vein is, so staying proactive about your vein health could prevent major issues from developing. The following are situations that may arise if varicose veins are left untreated:

  • Superficial Thrombophlebitis– In this condition, the varicose vein is inflamed and tender. A clot is usually present in the vein.

 

  • Bleeding– Even with minor trauma, the varicose vein may be associated with bleeding. Because the vein is under high pressure, the bleeding can be quite profuse.

 

  • Venous Eczema– The skin around the vein may become dry and very itchy.

 

  • Venous Pigmentation– This is brown staining of the skin around the ankle. It is due to the leakage of small amount of blood from the veins into the skin.

 

  • Venous Ulceration– This is the formation of ulcers at the ankle.

 

If you notice the development of varicose or spider veins, please contact us at 775-329-3100, or visit our Website at www.RenoVeinClinic.com.

 

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