Vein Essays

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    Vein Pulsation

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    The phenomenon of vein pulsation The venous retinal pulsation is occurring due to the blood pressure difference in the central retinal vein. The pressure difference occurs due to the condition of the systole and diastole pressure. The following are experimental studies carried out so far on physician experiment set-ups and existing theoretical models considered, wave surface with the Pulsations phenomena of collapsible vessels in the body deal. Few of these models are based on the anatomical and

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    The small saphenous vein (SSV) is a superficial vein in the leg. It originates from the lateral side of the dorsal venous arch passes behind the distal end of the fibula and up the back of the leg to penetrate deep fascia and join the popliteal vein posterior to the knee [1]. This vein is considered the second largest blood vessel in the leg. Like most of the superficial leg veins, this vein features smooth muscle cells in its adventitia and the inner media [2]. Also SSV is in danger of becoming

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    CARDDIOVASCULAR SYSTEM DEEP VEIN THROMBOSIS Anatomy and physiology Vein is an elastic blood vessel that transports blood from all part of the body to the heart. Vein have four main types, which is pulmonary, systemic, superficial and deep vein. Deep vein located deep within muscle tissue and typically located near the corresponding artery with a same name. Deep vein thrombosis Deep vein thrombosis (DVT) is pathology of cardiovascular system. It happens when the blood clotting in a deep vein of the blood vessel

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    According to Chisholm-Burns et al., deep vein thrombosis (DVT) is the result of venous thromboembolism (VTE) and can lead to pulmonary embolism, (PE). Deep vein thrombosis (DVT) is the result of a clot (blood that aggregates together) situated in a deep vein of the lower extremities (National Library of Medicine -PubMed Health, n.d.). Pathophysiology of DVT “Deep venous thrombosis usually arises in the lower extremities. Most DVT’s forms in the calf veins, particularly in the Soleus sinusoids and

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    Varicose Veins Overview- A varicose vein (or varicose veins) is the abnormal dilation of the veins that appear swollen and that sometimes, when the varicose vein involves a superficial vein, can be observed through the skin. In our body the arteries carry oxygenated blood to the rest of the body from the heart, the veins, however, return the oxygen-poor blood to the heart because it is pushed towards the lungs and oxygenated. The arteries, which push oxygenated blood, they have a very effective

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    function of the heart, and the structure of the arteries veins and capillaries The heart is a key muscular organ, and is controlled by the autonomic nervous system. It transports blood to the body’s tissues via the circulatory system; blood provides the body with oxygen, nutrients and also assists in the removal of carbon dioxide and metabolic wastes, hormones are transported throughout the body by plasma. Arteries, arterioles, veins, capillaries and valves, are the blood vessels which are responsible

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    Pradaxa Deep Vein Thrombosis (DVT), also known as venous thromboembolism, is estimated to affect upwards of 900,000 Americans each year (http://www.cdc.gov/ncbddd/dvt/data.html). Treatments for DVT typically consists of two primary options; surgical implementation of a filter within the vena cava to catch blood clots that form and prevent them from moving to parts of the body where they may become dangerous; or through treatment with medication that act as anti-coagulants through thinning blood

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    Relations with the diaphragm and heart liver supplement neighboring organs. The base of the liver opens into the hepatic hilum, which is but the entrance area of the omentum (omentum) lower with the portal vein, hepatic artery and hepatic duct outlet. The omentum (omentum) lower (fixed at a protrusion of the lower side omental called tuber) lining the bottom of the grooves of the base of the liver (venous ligament sulcus, groove round ligament) and reaches

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    There are three major types of blood vessels: arteries, capillaries, and veins, and they all differ in their histological features. Arteries are the thickest blood vessels of the three. They have a tunica intima which has an internal elastic lamina and endothelium (simple squamous epithelium), a tunica media, an external elastic lamina, and a tunica externa or adventitia. Because arteries are built to withstand pressure and stretching, they could be elastic or muscular arteries. It depends on the

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    Anatomy and Physiology 1. Describe the function of the heart, cardiac cycle and circulatory system Function of the heart The heart is a muscular organ that pumps and circulates blood throughout the body via a transport system of arteries and veins and capillaries. As the blood circulates throughout the body it supplies oxygen and nutrients to the tissues as well as removing carbon dioxide and harmful waste products (Tucker, 2015). The structure of arteries Arteries have thick muscular walls

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    low, although blood here is at a slightly higher pressure than the blood in the pulmonary vein, and this is reflected as the walls of the artery are significantly thinner than the walls of a corresponding artery, for example, the aorta. The walls of the pulmonary artery contain a large amount of elastic fibres in order to maintain the shape of the artery. The lumen of the artery is smaller than that of the vein which has a large lumen. This relates to the pressure difference between the two blood vessels

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    Portal Venous System

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    person who described about portal vein(PV). 300-250 BC - Herophilos recognized the importance of portal venous system in acting as the zone of discharge for all the resorbent veins from the intestine 129-199AD - Galenus described the portal venous system along with the intrahepatic branches 1597-1677 - Glisson demonstrated the independent nature of portal venous circulation from rest of the blood circulation ANATOMY OF THE PORTAL VENOUS SYSTEM The system of veins that transport blood from of the

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    INTRODUCTION Central Venous Catheter (CVC) is a catheter placed into a large vein to obtain an intravenous access. Its use has become indispensable in the management of critically ill patients. Central venous catheters are used for hemodynamic monitoring, measurement of Central Venous Pressure, hemodialysis / plasmapheresis and in setting of difficult peripheral venous access in critically ill patients. Despite its benefits, central venous catheters have drawbacks as well. Insertion of central

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    CIRCULATORY SYSTEM 1. INTRODUCTION The circulatory system is also known as the cardiovascular system. This system is a double circulatory closed system which transports blood via arteries, veins and capillaries to the lungs through the pulmonary circulation and to the rest of the body tissues in the systemic circulation. Since the blood travels to varying distances around the body, the blood vessels have to be adapted to overcome different pressures. The pressure changes in the four chambers on the

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    the blood vessels (veins, arteries and capillaries) or the heart, or together or diseases that disturb the cardiovascular system. The cardiovascular system, also named as the circulatory system, is the system that transports blood all over the human body. It is composed of the heart, arteries, veins, and capillaries. It delivers oxygenated blood from the lungs and heart through the entire body by the arteries. Blood drives through the capillaries - vessels located between the veins and arteries. When

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    Heart Rate Relationship

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    Allowing a full intake and out-take of blood. What is special about the pulmonary artery and vein? Why? The veins around the body generally transport deoxygenated blood from places in the body back to the heart, however, the pulmonary vein is one of the few veins that hold and transport oxygenated blood through the body. However, the pulmonary artery carries deoxygenated blood, and the pulmonary vein transports oxygenated blood. Labelled diagram of the

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    The pericardial cavity surrounds the heart totally except at the inlet and outlet of the cardiac vessels, where they form two significant tubes. One of the tubes serves as an interconnection to the inferior and superior vena cava and the pulmonary veins, whereas the other connects the aorta and the pulmonary trunk. Blood Supply and Innervation of the

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    heart work together to pump blood to and throughout your body which is separated by muscular tissue called the septum. In the right side blood enters through two large vein which are the inferior and superior vena cava, emptying poor oxygen blood from the body to the right reticulum. When the left side enters from the pulmonary veins and empties oxygen rich blood from the lungs into the aorta going throughout the body. There are three main types of blood vessels that help blood flow through your heart

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    temperature, spreading proteins and hormones and various other chemicals to different parts of the body. In the cardiovascular system the heart moves the blood around the body (acts like a pump) and different types of blood vessels (e.g. arteries, veins and capillaries) have well defined features that make viable their functions in the body’s circulatory system. The heart is pretty small because it is around the same size as a persons fist. The heart has four chambers on the inside (internal chambers)

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    Anatomy And Physiology

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    Arteries carry blood away from the heart, and veins carry it toward the heart. Capillaries are tiny blood vessels with very thin walls made up of only one layer of cells. Arterioles are very small arteries which branch to form capillaries. Capillaries join to form tiny veins called venules. Materials are exchanged between the blood and cells through the thin walls of the capillaries. The inner layer of blood

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