25
Venules.
no
Capillaries are the microscopic blood vessels that connect small arteries to small veins. Blood exchange takes place in capillaries.
Any time there is a drastic change in your vascular system, you should consult your physician. If the veins on your neck have not been noticable in the past, and now they are, your doctor may want to run some tests to see why they are dilated.
If you eat a lot of salt or sour stuff at once that can happen. If not see a doctor?
Telangiectasias-- Very small arteriovenous malformations, or connections between the arteries and veins. The result is small red spots on the skin known as "spider veins."
Capillaries are another name for small veins in the body. These tiny blood vessels connect arteries to veins and are where oxygen and nutrients are exchanged with tissues.
Dural Sinuses
ligation
Veins. You find bigger veins. There are very large veins in the body and so a doctor will insert a dialysis tube farther into the body where the veins are larger.
The small veins in plants help in conduction of essential subatances to the all cells uniformly. This can be seen very well in the leaves of Ficus religiosa.