The color of oxygenated arterial blood is bright red. the color of deoxygenated venous blood is bluish- green. now, let us understand the science of blood. blood is a red- colored heterogenous ubiquitous fluid, which connects every part of the body. here the veins showing through skin become more and more visible with age because of the thinning of fat layer. the fat layer is thickest in children and gets thin with aging. the effects of aging are more obvious in smokers, which is why they have prominent veins as compared to the rest. varicose veins appear under the skin as bluish- green lines, which may bulge out or appear twisted and contorted. the superficial veins in the legs are the most common place for varicose veins to occur – due mainly to problems with vein junctions ( where different veins join together) in the upper thigh, behind the knee, and in the calf muscle. because you are not seeing the veins, but the blood inside them! cannabidiol cbd rich hemp oil products.
the superficial veins have very thin walls, and when full of blood, you can see the venous blood colour ( if you are caucasian! reticular veins are blue or green veins, which are larger than spider veins. reticular veins are usually greater than 2 mm. many people have reticular veins and it does not mean that they are abnormal; particularly in thin people they are easy to see. helpful, trusted answers from doctors: dr. ali on green veins on arms: upper extremity veins are usually normal and rarely due to underlying pathology. the color is green or blue and this is normal. why do our veins appear green when the blood flowing in them is red? under normal light, blood appears red because most colours are absorbed except for red, which bounces back from the blood. ever wondered, “ why are my veins blue” or “ why are my veins green” when you’ re certain the blood running through them is red? or maybe you’ ve noticed that veins are more visible under some people’ s skin and harder to see under that of others. there are a variety of reasons why you’ re veins may be visibly blue through your skin.
green veins or blue veins become more visible when they increase in size, mainly when there’ s a dysfunction in the valves within your veins that impedes blood flow. because of this dysfunction, backflow occurs, and blood accumulates in the why are veins green vein, causing it to stretch, bulge, and enlarge. why are my veins so visible all of a sudden? first of all, if you’ re fair- skinned, you will probably show more veins than your friends with darker skin tones. there’ s a reason why flaxen- haired princesses in children’ s stories wear dresses that cover them from the neck down! people with low body fat will also show more veins.