Complications In general, performing a gastroscopy is associated with few risks and there are hardly any complications. Nevertheless, it is important to name the possible complications before the examination. Since the digestive tract is inflated with air during the examination, flatulence may occur immediately afterwards. A feeling of fullness and increased belching can also occur. … Complications | Gastroscopy
Synonyms blood vessel, veins, body circulation A vein is a blood vessel containing blood that flows towards the heart. In the major circulation of the body, blood that is always low in oxygen flows through the veins, whereas in the pulmonary circulation, blood that is always rich in oxygen flows from the lungs to the … Vein
Venous return flow In contrast to the arteries, the veins have a low pressure. This means that the blood from parts of the body that lie below the heart level cannot be pumped back to the heart against gravity as easily. To facilitate this venous return, all large veins below the heart level have venous … Venous return flow | Vein
Venule The smallest veins in the human body are called venules. The wall structure of this vein/venule is similar to that of the capillary, but the diameter is much larger (10-30 micrometers). A venule has no muscle layer. Often the wall of a venule is not completely sealed, there are no connections between the individual … Venule | Vein
Varicose veins (varices) Varicose veins can have various causes. On the one hand, the vein wall can be very weak in the case of congenital weakness, on the other hand the vein wall can become weaker due to heavy strain (a lot of standing without movement, obstruction of the blood flow for example due to … Varicose veins (varices) | Vein
Definition Venous valves (valvulae) are structures in the veins that perform a valve-like function and thus prevent the blood from flowing back in the wrong direction. The wall of blood vessels is formed by three different layers. On the outside is the so-called tunica externa (adventitia), in the middle is the tunica media (media) and … Venous valve