varicocele
Varicose veins, swollen tortuous veins, are called varices in medical terms.
Varicose Veins.
Venopathy; phlebopathy
Blood vessels
a vasodilator causes dilation of the blood vessels; a venodilator is a vasodilator that causes dilation of veins
The answer to that is varicose veins.
Hemorrhoidectomy
A vascular surgeon specializes in the treatment of veins.
The veins and their tributaries are collectively called the venous system. The other part of the circulation is the arterial system.
Hemorrhoids are dilated or varicose veins of the rectum or anus. They can be painful or painless.
Prominent in medical terms has the same meaning as in lay terms; it means the feature stands out. For instance, varicose veins are prominent.
Sclerotherapy is a commonly used treatment of spider vein.