define vein - EAS

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  1. Từ điển

    Tra cứu
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    vein
    [veɪn]
    DANH TỪ
    vein (danh từ) · veins (danh từ số nhiều)
    1. any of the tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood towards the heart.Compare with artery.
      • (in general use) a blood vessel.
        "he felt the adrenaline course through his veins"
        từ đồng nghĩa:
        duct · tube · channel · passage · pipe · artery · vas · trachea
      • (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.
    2. a fracture in rock containing a deposit of minerals or ore and typically having an extensive course underground.
      "gold-bearing quartz veins"
      từ đồng nghĩa:
    3. a distinctive quality, style, or tendency.
      "he closes his article in a somewhat humorous vein"
      từ đồng nghĩa:
    GỐC
    Middle English: from Old French veine, from Latin vena. The earliest senses were ‘blood vessel’ and ‘small natural underground channel of water’.
    Dịch vein sang
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  2. English Language Learners Definition of vein : any one of the tubes that carry blood from parts of the body back to the heart : any one of the thin lines that can be seen on the surface of a leaf or on the wing of an insect

    Vein Definition & Meaning - Merriam-Webster

    www.merriam-webster.com/dictionary/vein
    www.merriam-webster.com/dictionary/vein
  3. Mọi người cũng hỏi
    What is the definition of veins in biology?
    Definition of vein. (Entry 1 of 2) 1 : blood vessel especially : any of the tubular branching vessels that carry blood from the capillaries toward the heart. 2a : any of the vascular bundles forming the framework of a leaf. b : any of the thickened cuticular ribs that serve to stiffen the wings of an insect.

    Vein | Definition of Vein by Merriam-Webster

    www.merriam-webster.com/dictionary/vein
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    What are veins of the heart?
    Key Takeaways Veins are vessels that bring blood from other parts of the body to the heart. There are four major types of veins. Pulmonary veins carry oxygenated blood to the heart's left atrium from the lungs, while systemic veins return non-oxygenated blood from the body to the heart's right atrium.

    What Is a Vein? Definition, Types and Illustration

    www.thoughtco.com/vein-anatomy-373252
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    What are veins and why are they important?
    Wendy has taught high school Biology and has a master's degree in education. Veins are blood vessels that transport blood from different body parts back to the heart. Take a look at the role of veins in the circulatory system, the function and structure of veins, as well as the importance of the valves in the veins.

    What are Veins? - Functions & Explanation - Video & Lesson

    study.com/academy/lesson/what-are-veins-functions-less…
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    What is the venous system?
    Key Takeaways Veins are vessels that bring blood from other parts of the body to the heart. The low pressure venous system needs the contraction of muscles to return the blood to the heart. There are four major types of veins. Examples include pulmonary and systemic veins as well as superficial and deep veins.

    What Is a Vein? Definition, Types and Illustration

    www.thoughtco.com/vein-anatomy-373252
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    Phản hồi

  4. Vein Definition & Meaning - Merriam-Webster

    https://www.merriam-webster.com/dictionary/vein

    English Language Learners Definition of vein. : any one of the tubes that carry blood from parts of the body back to the heart. : any one of the thin lines that can be seen on the surface of a leaf or on the wing of an insect. : a long, narrow opening in rock filled with gold, silver, etc.

    Khám phá thêm

    What Is a Vein? Definition, Types and Illustrationwww.thoughtco.com
    Vein Definition & Meaning | Dictionary.comwww.dictionary.com
    Veins Definition & Meaning | Dictionary.comwww.dictionary.com
    vein | blood vessel | Britannicawww.britannica.com
    Veil Definition & Meaning | Dictionary.comwww.dictionary.com
    Đề xuất cho bạn dựa trên những gì phổ biến • Phản hồi

  5. Vein - Wikipedia

    https://en.wikipedia.org/wiki/Vein

    Veins are blood vessels in 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 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.

    Wikipedia · Nội dung trong CC-BY-SA giấy phép

  6. Vein - definition of vein by The Free Dictionary

    https://www.thefreedictionary.com/vein

    vein - a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood"

  7. Vein Definition & Meaning | Dictionary.com

    https://www.dictionary.com/browse/vein

    Vein definition, one of the system of branching vessels or tubes conveying blood from various parts of the body to the heart. See more.

  8. What Is a Vein? Definition, Types and Illustration

    https://www.thoughtco.com/vein-anatomy-373252

    16/07/2009 · Veins are vessels that bring blood from other parts of the body to the heart. The low pressure venous system needs the contraction of muscles to return the blood to the heart. There are four major types of veins. Examples include pulmonary and systemic veins as well as superficial and deep veins.

    • Nghề nghiệp: Biology Expert
    • Thời gian đọc ước tính: 4 phút

  9. Veins | definition of veins by Medical dictionary

    https://medical-dictionary.thefreedictionary.com/veins

    veins. Thin-walled blood vessels containing blood at low pressure which is being returned to the heart from tissues that have been perfused by arteries. Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005.

  10. What are Veins? - Functions & Explanation - Video & Lesson ...

    https://study.com/academy/lesson/what-are-veins-functions-lesson-quiz.html

    01/09/2015 · Veins: vessels that return blood back to the heart after it has traveled to body parts Arteries : the strong, elastic vessels that take oxygenated blood …

    • Thời lượng Video: 7 phút

    • VEIN | definition in the Cambridge English Dictionary

      https://dictionary.cambridge.org/us/dictionary/english/vein

      vein noun (TUBE) [ C ] biology. a tube that carries blood to the heart from the other parts of the body. [ C ] biology. A vein is also any of the many small tubes in the leaves of plants that carry …

    • Vein Function - Definition and Diagram

      https://www.thoughtco.com/vein-function-3975679

      10/08/2012 · Updated on June 20, 2017. A vein is an elastic blood vessel that transports blood from various regions of the body to the heart. Veins can be categorized into four main types: pulmonary, systemic, superficial, and deep veins. Pulmonary veins carry oxygenated blood from the lungs to the heart.

      • Nghề nghiệp: Biology Expert
      • Thời gian đọc ước tính: 1 phút

    • Discover Important Difference between Arteries and Veins

      https://byjus.com/biology/arteries-and-veins-difference

      Veins are the blood vessels present throughout the body. They are tube-like, translucent structures that function by carrying deoxygenated blood from the tissues to the heart for re-oxygenation. Compared to arteries, veins are thin-walled. Also Refer: Human Heart

      • Thời gian đọc ước tính: 5 phút

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