diagram of major arteries and veins

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What are the major coronary arteries and veins?

LAD, Circ & RCA

Blood_vessels
Coronary arteries: left anterior descending (LAD), circumflex, right coronary artery (RCA). There are no major coronary veins.
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the histology of the major arteries and veins of systemic circulation?

What about them?

Artery
Please ask a specific question about the histology. That cannot be answered here = it would take many pages and diagrams. Such information is freely available on the internet.
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ana report is normal ,colordopler of both limb is normal all major veins & arteries shows normal flow still i have ulcer above ankel is it vasculitis?

Yes

Biopsy
Ulcers on legs/ankles has multiple cause not just venous insufficiency or major arterial blockage. Other causes includes vasculitis, trauma, recurrent or chronic infection , cancer and others . I would suggest checking with a wound specialist who can order blood test and probably perform a biopsy If this ulcer is chronic or has been there for more than 6 weeks
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Dr. John Landi answered:

In a phantom pregnancy can spider veins and major blue veins start appearing? Also do nipples darken?

Yes

Ivf_pregnancy
It is sometimes difficult to distinguish a phantom pregnancy from a normal pregnancy and, therefore, signs and symptoms that can occur with normal pregnancies can also occur during a phantom pregnancy including the things that you have described.
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Dr. Vicki Levine answered:

What to do if I just noticed today that I have major spider veins on my hips and thighs where did these come from?

Hereditary

Spider_angiomas
I think that most spider veins are hereditary although sometimes people say they happen after pregnancy ouran people that have jobs where they have to stand a lot
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I had a piece of class going to my arm into 1 of my main veins about a week ago and now today when I wake up I have major Bruising on my arm?

Hematoma

Blood_vessels
following major bleeding you can get blood in the subcutaneous space of your tissues, and this will form some bruising. Interestingly, this can get more noticeable several days after the injury. You can treat it with intermittent cold compresses.
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Dr. Joy M. Jackson answered:

Why would i have major tingling in neck on right side and veins poppg on eyelids and cheeks? Had3 stents in 2002. triple bypass in 2008,which resulted in me getting mrsa in sternum...put on vanco and had several surgeries removing parts of sternum....i li

Unfortunately

Unfortunately yhe only way to know what is going on is to follow up with your cardiologist. You may need another angiogram. The fact that you stated you are "losing the will to live" is worrisome. It sounds like you are dealing with major depression, which is understandable given your medical history. I strongly encourage you to seek the help of a psychiatrist or therapist. Best of luck to you.
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Dr. John Landi answered:

How does smoking affect your blood and/or veins?

Several ways.

Lung_cancer
Smoking causes constriction of the blood vessels. This occurs less commonly in the veins as compared to the arteries. Smoking is one of the major risk factors for the development of atherosclerosis (hardening and narrowing of the arteries). In addition to this it can lead to intrinsic lung disease, which could then lead to thickening of the blood(polycythemia) which could lead to blood clots.
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Dr. Joseph Gemmete answered:

What is the best way to prevent and or reduce varicose veins?

Compression

Varicose_veins
Best way to prevent varicose veins is to limit the amount of standing, and to wear compression stockings.
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Dr. John Landi answered:

Can you please tell me about spider and/or other veins in their legs taken care of?

Several treatments

Stringio
Varicose veins are due to leaking(refluxing) valves in the saphenous system and spider veins could be due to leaking valves or simply to aging, genetics or pregnancies. The treatment for each varies - laser closure and microphlebectomies for VV and sclerotherapy for spider veins. You should see a vein specialist for a full venous evaluation with a venous reflux ultrasound.
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