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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

How is a vena cava filter inserted?

The VCF is commonly implanted in the jugular vein in the neck or the femoral vein in the groin.

What are disadvatages of finger vein authentication?

if somebody were to cut my finger and use it to take my cash from an ATM

Do veins have the ability to go through vasoconstriction and vasodilation?

Yes, the veins have the ability to go through the vasoconstriction and vasodilation. This also applies to the other elastic tubular channels like the capillary and the arteries.

Does blood flow have to go through the pulmonary vein before it goes back to the heart?

Yes. The pulmonary vein brings oxygenated blood from the lungs into the left atrium of the heart. Once it passes through the bicuspid valve, the left atrium will then pump the blood through the rest of your body.

How do hydrothermal veins form?

What typically occurs is that a igneous intrusion enters a local country rock. the water within it rises due to density differences. this fluid is a few hundred degrees celcius and is very rich in metals and quartz. It rises along faults or fractures in the rock until it cools thus forming hydrothemal veins.

Why do arteries have more smooth muscle than veins?

arteries experience higher blood pressure.. apex huh?

What kind of veins become varicose?

The superficial veins are the blood vessels most often affected by varicose veins and are the veins seen by eye when the varicose condition has developed.

What organ is on the lower right side?

The digestive organs on the right which are reasonably close to the hip arethe Appendix, the Ascending ColonThe Caecum and the Ileum as it turns in to the colon/caecum. The blader although more centrally situated when full is comparatively close to the hip joints and in females the right ovary may also be considered fairly close to the right hip joint.

How to Select and Know When You Need Vein Treatment?

Whether you suffer from varicose veins, spider veins, or other kinds of vein problems, you will want to know about the kind of vein treatment that will work for you. The first stop for this information is your own doctor. He may recommend you to a vein treatment center where there are specialists trained and dedicated to the treatment of vein problems. This is probably the best idea because nothing else is done at these centers. They only focus on the vein.

Vein problems are caused by several things. Many people have said that their varicose veins or spider veins have started from jobs that keep them standing all day. This is especially worse if they are standing on cement. This type of activity causes the vein valves to stop the blood from flowing the way it is supposed to flow, and it begins to pool in one place. That is what varicose veins are. The pooling begins to protrude through the skin and cause a rope-like appearance. Vein problems can also be hereditary. Aging is also a cause in addition to obesity.

Spider veins are dilated capillary veins right below the skin’s surface. They can be blue, red, purple or all of these colors that form in a web-like shape.

The appearance of these veins is not the only reason to get vein treatment. These veins can also cause heaviness, cramps, achiness, swelling and throbbing. If the varicose veins progress and become worse without treatment, there could be pigmentation, bleeding, ulceration, ankle swelling and the more serious chronic venous insufficiency, CVI. Getting early vein treatment will prevent this from happening.

There are several vein treatments depending on the severity of the problem. One treatment is wearing compression stockings. Exercise is also a good treatment. It’s better than just sitting or standing all day. These treatments will not cure the problem, but it will slow or stop it, and will eliminate some of the discomfort caused by the vein problem.

A very effective treatment is to collapse the veins. This is done by a procedure called sclerotherapy. Laser therapy can also be used, ambulatory surgery, mini-phlebectomy and endolaser. There are so many ways to receive vein treatment, and it is best to get it before the problem gets much worse.

How do you treat a bruised vein on Arm?

I fell down my stairs and now my forearm is swallon and it looks blue like I bruised my vein...Is this nornmal?

Are blood clots dangerous in the 27th week of pregnancy?

I would definitely contact your doctor just to be on the safe side. You are pretty far along. Best of luck!

What is the correct sequence of parts through which blood moves in passing from the vena cava to the lungs?

Starts on the Vena Cava----> Tricuspid valve, right atrium, plumonary valve, right ventricle---> ends lungs

Why is it that the older you get blue veins are showing?

As people age their skin gets thin and "papery". In some places like the hands there is less fat under the skin.

How come when one gets a needle the blood is red when the blood in veins is blue purple the syringes are vacuumed?

I don't know what a syringe is but i can tell you this:

Blood is both blue and red because, when blood returns to the heart

it re-oxygenates the oxygenated blood then turns blue, as it runs through the veins it gives the oxygen/nutrients to all the other organs in the body to keep them running and healthy. Once all the oxygen is gone it returns to the heart to get more.

The whole process continues until you die. sad ending, i know.

Im not even a teen yet so dont blame me if you find out this is wrong.

Large vein on penis what is it called?

The large veins on the penis are called the dorsal veins of the penis.

I have been on birth control for 5 months and now im having sharp abdomonal pains and leg pains?

Severe leg pain, arm pain, abdominal pain, shortness of breath, chest pain, or blurred vision are danger signs with the pill. Don't take another one until you've been cleared to restart. Contact your health care provider immediately. If you can't reach her, go to your local urgent care or ER for evaluation.

Which volunteer activity would colleges look at most?

The answer to your question is mute. The fact that you are willing to give your time to help those in need, shows a lot about your character. It would be up to you to decide what organization you want to affiliate yourself with. Basically, any kind of volunteer work would be good. My suggestion is just do what you enjoy doing to help people. There are so many opportunities that you probably don't even think of. Do you like animals? Walk dogs at an animal shelter. Do you enjoy children? Read to kids at the library or help teach a Sunday School class at your church. These are just a few examples. My advice is to just find something you enjoy and use it to help others. Don't do something that you hate since you might come across as fake to the college. They probably want students who authentically care about others.

What is the color of implantation blood?

Hi There, I am wondering the answer to the same thing. I have just experienced some spotting and on the first 2 days it was a brownish red hardly enough to be classified as menses but on the third day when I wiped it was a red colour but when dried it looked reddish brown, however I do think it is implanation as my period was not due for 5 days when the spotting started. It doesn't make sense for the period to reduce to 22 day cycle when it was 27. The only possibility of this could be the herbal supplements I am on being too effective and reducing my cycle length. What other symptoms do you have? When did the bleeding start? implantation usually occurs after about a week of ovulation...

What doctor treats hermaphrodites?

You can see see first an endocrinologist who can check the endocrine preponderance of one gender or other. After that you could visit an urologist or a gynecologist depending on the results. Another way to go is to simply refer to a Medical Center of University Medical center with a specialized department in gender disorders.