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Veins
Veins are thin blood vessels that carry blood from various body parts to the heart. These have valves in them to prevent back flow of blood.
2,123 Questions
Do the valves of veins keep blood flowing in one direction?
yes.it prevent the intermixing of oxygenated and deoxygenated blood
What is the main vein in the face?
The facial vein is the main vein of the face. After receiving the supratrochlear and supraorbital veins, it travels obliquely downwards by the side of the nose, passes under zygomaticus major, risorius and platysma, descends to the anterior border and then passes over the surface of masseter. It crosses the body of the mandible, and runs in the neck to drain into the internal jugular vein.
Can varicose veins cause death?
I am not sure. I am trying to find that myself. Once I find it I shall tell you :)
Why are the veins in their arms so large in bodybuilders?
Everyone has veins. Everyone has big and small. The reason some have bigger than others is the fact that genetics is strange. And also they have so little fat on their bodies that their veins seem to be bigger. Thats why sir.
What accrues if a gray stopper tube is collected before a lavender shield tube?
Orange shield tube is usual for infectious disease tests. Blue top may be used for many types of test.
What do you call the big vein on the side of your neck that is connected to your heart?
Veins carry blood towards the heart and arteries carry it away. The vein that carries deoxygenated blood to the heart from the upper body is called the superior vena cava and the vein that carries blood from the head to that vein through the neck is the jugular vein.
What causes bulging veins in arms and hands?
Because they are closer to the surface. There could be other reasons.
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What is and inflammation of a vein?
its swelling of the region around the vein due infection,damage and some other mechanical factors.....
What is the cpt code for stent to the inferior vena cava?
34502, I don't find any better.
Reconstruction of vena cava, but with angioplasty and stent. The description of the CPT reads, any method.
The vein on the right side of your hand is swollen is this dangerous?
It could be phlebitis, which could be caused by an infection. An infection leading into the bloodstream could be life threatening if not treated. That is called "sepsis" or "septicemia". A less likely cause for the swollen and painful vein could be a clot, and clots in the circulatory system can potentially travel through the blood stream causing a blockage. Blockages to the heart, lungs, or brain can be life threatening.
Why do you have Visible veins on chest and arms?
On some areas of your body you can see your veins. It could be because you are hot, veins rise to the surface of your skin to cool you off. The same reason elephants flap their ears, it puts cool air on the blood and helps cool them off.
What diseases or disorders affect the vessels?
- Coronary heart disease
- Cardiomyopathy, including viral, toxic and alcoholic types
- Cardiovascular disease
- Ischemic heart disease and coronary artery disease
- Heart failure
- Hypertensive heart disease
- Inflammatory heart disease
- Valvular heart disease such as mitral valve prolapse
- Heart cancers
- Congestive heart failure
- Pericarditis
- Bacterial endocarditis
- Arrhythmia - many, many types, such as Wolff-parkinson white syndrome,
- Congenital heart anomalies such as tetralogy of fallot or hypoplastic left heart
- Myocardial infarction
- rheumatic heart disease
The diseases or disorders affect your heart are generally referred to by one name, and that is cardiovascular disease. There are different kinds, and the ones most common are myocardial infarction, or heart attack, and hardening of the arteries, or atherosclerosis.
Why are the veins on the bottom of a tongue black?
The veins under the tongue often look really dark in color. The reason for this is because the skin under the tongue is very thin.
elastic tissue
Stress because you tighten up. Make a fist right now and you will see your veins tighten. that's because you are stretching the vein and it applies pressure to the below muscle making it visible.
How effective would the varicose vein valve seem to be in stopping back flow of blood?
Yes. If a valve fails, the blood may pool up and enlarge the vessels into varicose veins . . . usually in the legs.
What is the difference in the blood in the pulmonary vein and the vena cava?
blood in pulmonary vein is oxygenated and is carried from lungs to heart(and yet is named pulmonary VEIN).Vena cava is the broadest vein,it is associated to the heart. It receives deoxygenated blood from the veins coming to heart from different body parts and gives it to heart for pumping.
I hope it clears your doubt.
What in veins will close if blood begins to back up in the vein?
semi-lunar valves which consist of two leaflets
Source: Holes's Human A&P, 12th ed., p 579
