: a vein that carries blood from the digestive organs and spleen to the liver Medical Definition portal vein noun : a large vein that is formed by fusion of other veins, that terminates in a capillary network, and that delivers blood to some area of the body other than the heart ...
Varicose veins are veins that become large, twisted, and swollen. They are common on the back of the calves, knees, and thighs. Varicose veins are caused by valves in your veins that do not work properly. This causes blood to collect and increase pressure in the veins of your legs. The...
Blood flow is visualised by means of ultrasonic scanner and Dopplerometry. At the moment of complete vein collapse level of pressure is fixed by height of water column of Weldman apparatus. Method is used without esophagogastroscope with constant monitoring.;EFFECT: method makes it possible to ...
Genetic analysis of blood pressure in spontaneously hypertensive rats. The results of experiments using a spontaneously hypertensive strain, several normotensive strains, and their F1, F2 and backcross generations, indicated t... H Tanase,Y Suzuki,A Ooshima,... - 《Japanese Circulation Journal》 被...
brachiocephalic vein- veins formed by the union of the internal jugular and subclavian veins innominate vein,vena brachiocephalica vein,vena,venous blood vessel- a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood" ...
百度试题 题目Blood moves in arteries due to___and in veins due to___ 血液在动脉中流动依靠血压,在静脉中依靠骨骼肌的收缩。相关知识点: 试题来源: 解析 blood pressure skeletal muscle contraction 。反馈 收藏
Rapid Brain Death following Cardiac Arrest without Intracranial Pressure Rise and Cerebral Circulation Arrest The deep venous system includes the basal and internal cerebral veins, great cerebral vein (of Galen) and straight sinus, which drain the deep gray nuclei. Unilateral Thalamic Venous Infarction ...
aRaised pressure in the left portal vein causes development of paraumbilical collateral veins (sometimes termed recanalization of the paraumbilical vein), in which flow is toward the umbilicus. From there, blood flows toward the superior and inferior epigastric veins.20 被上升的压力在左门静脉导致附...
This article deals with blood vessels, types of blood vessels, and how they are involved with the distribution of blood from the heart to the different parts of the body and back to the heart.
Blood moves more quickly through your arteries. Your arteries are thicker and stretchier to be able to handle the higher pressure of blood moving through them. Your veins are thinner and less stretchy. This structure helps veins move higher amounts of blood over a longer time than arteries. ...