When blood vessels dilate so close to the skin, it would cause an outward appearance of flush on the skin. Blushing, for example.
Histamine causes the dilation of the small blood vessels while constrict the large blood vessels.
Nevus flammeus is a birthmark due to dilation of small blood vessels. On the neck, the lay term for this birthmark is "stork bite." Elsewhere, it's often called a port-wine stain.
Red blood cells are too small to contain blood vessels. They are cells and they travel in blood vessels.
Capillaries are the microscopic blood vessels that connect small arteries to small veins. Blood exchange takes place in capillaries.
Blood vessels are the tubes that carry blood. The smallest of the blood vessels are the capillaries.
small blood vessels called Vaso Vasorum these are for large arteries others by diffusion
Capillaries are the small blood vessels that are near the surface of the skin. They connect arterioles and venules, and they are the smallest blood vessels in the body.
Blood vessels can form new blood vessels, this is called angiogenesis.
Capillaries
The blood vessels that are involved for supplying and draining blood from the small intestine are called the superior mesenteric. The blood vessels that supply and drain the large intestines are called the inferior mesenteric.
Every living tissue requires blood for it's survival, so does blood vessels, great vessels even have small vessels to supply themselves and they are called as "Vasa vasorum"
The small, soluble molecules get through the wall of the small intestine and into the blood