Medical Definition of Vein Vein: A blood vessel that carries blood that is low in oxygen content from the body back to the heart. The deoxygenated form of hemoglobin (deoxy-hemoglobin) in venous blood makes it appear dark. Veins are part of the afferent wing of the circulatory system, which returns blood to the heart.Also question is, what does it mean when someone calls you vein?
excessively proud of or concerned about one's own appearance, qualities, achievements, etc.; conceited: a vain dandy. proceeding from or showing pride in or concern about one's appearance, qualities, etc.; resulting from or displaying vanity: He made some vain remarks about his accomplishments.
Beside above, is it in the vein or vain? The Quick Answer A vein is a blood vessel or a distinctive style. Vain means self admiring or futile. (The term in vain (as in to try in vain) means without success). A vane is a stabilizing fin or blade.
Also, what does vein mean in a sentence?
Use vein in a sentence. An illustration showing veins steming from the heart. Licensed from iStockPhoto. noun. The definition of a vein is a blood vessel that is part of the circulation system through which blood is carried or a streak of something.
What is in the vein?
Vein. Veins are blood vessels that carry blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart. In contrast to veins, arteries carry blood away from the heart.
How do you know if someone is vain?
These are a number of signs to look for. A vain person may easily have in common being arrogant/haughty/conceited, and possibly some of the high sense of entitlement things, but not the other signs, assuming they're a vain neurotypical.What is the synonym of vain?
vain(a) Synonyms: conceited, arrogant, egotistical, overweening, vainglorious, nugatory, fruitless, ineffectual, frustrate, unavailing, bootless, futile, abortive, ineffective, empty, delusive, chimerical, unsatisfying, unsubstantial, deceitful.How do you use the word vain?
vain Sentence Examples - The child tried in vain to keep up.
- He attempted in vain to secure the election of his grandson Charles.
- He tried in vain to stop the water flow.
- The proprietors struggled in vain to bring about a closer union.
- The convict tried in vain to escape several times from prison.
- Let's not let Carlo's death be in vain.
What makes someone vain?
To be vain, the excessiveness is known to be excessive. the excessive opinion is had or shown with the knowledge that their opinion is excessive. Ignorance. They refuse to accept, deny that it happened, or make an excuse about why they weren't as good as they had said they were.How do you use the same vein?
Here are some examples. The game opened in the same vein as it was to continue with the play constantly interrupted by fouls. I did a venesection in the same vein, the left arm had been on President Kennedy. Another eye catcher, who was to go on in the same vein, was New York-trained Grannum.What is a vein kink?
Valves usually keep blood from flowing backwards in the vein once it's been pumped towards the heart. When the valves don't work properly, blood gets stuck, causing the vein to swell and kink.What are different ways to spell vain?
vain / vane / vein. When you have vanity you are conceited: you are vain. “You're so vain you probably think this song is about you.” This spelling can also mean “futile,” as in “All my love's in vain” (fruitless).Is being vain good?
Vain people are generally very happy because they are in the throes of a passionate love affair with somebody who returns their affection totally and utterly. The good thing about being in love with yourself is that it's not difficult to be faithful.What is a vane person?
any of a number of blades or plates attached radially to a rotating drum or cylinder, as in a turbine or pump, that move or are moved by a fluid, as steam, water, hot gases, or air. a person who is readily changeable or fickle.Are veins blue?
Blood is always red, actually. Veins look blue because light has to penetrate the skin to illuminate them, blue and red light (being of different wavelengths) penetrate with different degrees of success. The oxygen-rich blood is then pumped out to your body through your arteries.What does a vein look like?
The blood going out to your body in the arteries is full of oxygen, which makes the blood bright red. But the blood coming back from your body in the veins is darker because your body parts have used up the oxygen in the blood. That's why veins look purple or blue.What do you mean by vines?
1a : a plant whose stem requires support and which climbs by tendrils or twining or creeps along the ground also : the stem of such a plant. b : any of various sprawling herbaceous plants (such as a tomato or potato) that lack specialized adaptations for climbing. 2 : grape sense 2. vine.What are capillaries?
Capillary, in human physiology, any of the minute blood vessels that form networks throughout the bodily tissues; it is through the capillaries that oxygen, nutrients, and wastes are exchanged between the blood and the tissues.What is the largest artery in the body?
The largest artery is the aorta, the main high-pressure pipeline connected to the heart's left ventricle. The aorta branches into a network of smaller arteries that extend throughout the body. The arteries' smaller branches are called arterioles and capillaries.Is mane a word?
noun. the long hair growing on the back of or around the neck and neighboring parts of some animals, as the horse or lion. Informal. (on a human being) a head of distinctively long and thick or rough hair.What is the meaning of wind vane?
wind vane (definition) A wind vane is a device that measures the direction of the wind. The wind vane is usually combined with the anemometer. Wind direction is the direction from which the wind is blowing.Can arteries carry deoxygenated blood?
Most arteries carry oxygenated blood; the two exceptions are the pulmonary and the umbilical arteries, which carry deoxygenated blood to the organs that oxygenate it. 
