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- nounvein (noun) · veins (plural noun)
- any of the tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood toward the heart. Compare with artery
- (in general and figurative use) a blood vessel:"he felt the adrenaline course through his veins"
- (in plants) a slender rib running through a leaf or bract, typically dividing or branching, and containing a vascular bundle.
- (in insects) a hardened branching rib that forms part of the supporting framework of a wing, consisting of an extension of the tracheal system; a nervure.
- a fracture in rock containing a deposit of minerals or ore and typically having an extensive course underground:"gold-bearing quartz veins"
- a streak or stripe of a different color in wood, marble, cheese, etc..
- a body of subsurface water, especially as considered a source or potential source of water for a well or wells and thought of as flowing in a channel.
- a source of a specified quality or other abstract resource:"he managed to tap into the thick vein of discontent to his own advantage"
OriginMiddle English: from Old French veine, from Latin vena. The earliest senses were ‘blood vessel’ and ‘small natural underground channel of water’. Vein Definition & Meaning - Merriam-Webster
Learn the various meanings and uses of the word vein, from blood vessel to style of expression. See synonyms, examples, word history, and related articles.
Vein - Wikipedia
Veins are blood vessels in the circulatory system of humans and most other animals that carry blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are those of the pulmonary and fetal circulations which carry oxygenated blood to the heart. In the systemic circulation, arteries carry oxygenated blood away from the heart, and veins retu…
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Veins: Anatomy and Function - Cleveland Clinic
See more on my.clevelandclinic.orgYour veins make up an extensive network of blood vessels that wind their way through your entire body. Together, your veins and other blood vessels form a major part of your circulatory system. Your veins connect with venules and capillaries in many places. When mapped out in a drawing, your upper body circu…VEIN | English meaning - Cambridge Dictionary
Learn the meaning of vein as a noun in English, with different senses related to biology, geology and language. Find out how to use vein in sentences and collocations, and see translations in …
Vein | definition of vein by Medical dictionary
A vein is a blood vessel that carries blood from various organs or parts back to the heart. Learn about the anatomy, function, and classification of veins in different systems and species.
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Vein - Definition, Meaning & Synonyms - Vocabulary.com
A vein is a blood vessel. If you've ever donated blood, you know that having a needle put in your vein by a health care worker is not nearly as scary as it sounds.
VEIN | definition in the Cambridge English Dictionary
Learn the meaning of vein as a noun in English, with different senses related to biology, geology, literature and mood. Find out how to use vein in sentences and with other words.
VEIN definition and meaning | Collins English Dictionary
Learn the meaning of vein as a noun or verb in different contexts, such as blood vessels, leaf structure, mineral layer, or mood. See synonyms, pronunciation, and examples of vein usage.
Vein | Circulatory System, Oxygenation & Valves
Nov 29, 2024 · vein, in human physiology, any of the vessels that, with four exceptions, carry oxygen-depleted blood to the right upper chamber (atrium) of the heart. The four exceptions—the pulmonary veins—transport oxygenated …
vein - Definition | OpenMD.com
Vein, in human physiology, any of the vessels that, with four exceptions, carry oxygen-depleted blood to the right upper chamber (atrium) of the heart. The four exceptions--the pulmonary …
VEIN definition in American English - Collins Online Dictionary
Learn the meaning and usage of the word 'vein' in different contexts, such as blood vessels, leaf structure, ore deposit, and mood. Compare the synonyms, pronunciation, and examples of …
Veins: Definition, Structure, Types, Functions, Diseases
Aug 3, 2023 · Learn about the veins, the blood vessels that carry deoxygenated blood back to the heart. Find out the structure, types, functions, and diseases of veins with examples and …
VEIN Definition & Meaning | Dictionary.com
Any of the blood vessels that carry blood toward the heart from the body's cells, tissues, and organs. Veins are thin-walled and contain valves that prevent the backflow of blood. All veins …
Vein Definition & Meaning | Britannica Dictionary
VEIN meaning: 1 : any one of the tubes that carry blood from parts of the body back to the heart; 2 : any one of the thin lines that can be seen on the surface of a leaf or on the wing of an insect
What Are Veins and How Do They Work? - ThoughtCo
Sep 13, 2024 · Learn about the types, structure and function of veins, the elastic blood vessels that carry blood from the body to the heart. Find out how veins differ from arteries and what …
Veins - (Anatomy and Physiology I) - Vocab, Definition ... - Fiveable
Definition. Veins are blood vessels that carry deoxygenated blood back to the heart, playing a crucial role in the circulatory system. Unlike arteries, which transport oxygen-rich blood away …
Veins: definition, function,structure - ScienceQuery
Nov 27, 2024 · Veins are blood vessels of the cardiovascular system. They carry deoxygenated blood from the cells, tissues, and organs to the heart. It constitutes a low blood pressure flow …
vein noun - Definition, pictures, pronunciation and usage notes ...
Definition of vein noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Veins - Anatomy, Function, and More - Verywell Health
Veins are a type of blood vessel that carry deoxygenated blood back to the heart from various parts of the body. Explore how different veins look, work, and help support the cardiovascular …
Arteries vs. Veins: What’s the Difference? - WebMD
Feb 14, 2024 · Arteries and veins (also called blood vessels) are tubes of muscle that your blood flows through. Arteries carry blood away from the heart to the rest of the body. Veins push …
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