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  2. Organ - Definition, Types and Examples | Biology …

    • An organ is a self-contained group of tissues that performs a specific function in the body. Learn about the different types of organs, vital and non-vital organs, and organ systems in humans and … See more

    Organ Definition

    An organ is a self-contained group of tissues that performs a specific function in the body. The heart, liver, and stomach are examples of organs in humans. The word organ com… See more

    Biology Dictionary
    Examples of Organs

    All animals except for less specialized ones like those in the phylum Porifera (sea sponges) … See more

    Biology Dictionary
    Cells, Tissues, Organs, Organ Systems

    There are four different levels of organization in multicellular organisms, and organs make up one of these levels. From simplest to complex, an organism is made up of cells, … See more

    Biology Dictionary
    Types of Organs

    The body’s organs are grouped into organ systems based on the functions they perform. Humans have 11 different organ systems. Here are all of the organ systems with some … See more

    Biology Dictionary
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  1. Dictionary
    or·gan
    [ˈôrɡ(ə)n]
    noun
    organ (noun) · organs (plural noun) · pipe organ (noun) · pipe organs (plural noun)
    1. a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans:
      "the internal organs"
      Similar:
      part of the body
      body part
      biological structure
      • (used euphemistically) the penis:
        "the male organ"
      • archaic
        a region of the brain formerly held to be the seat of a particular faculty.
    2. a large musical instrument having rows of tuned pipes sounded by compressed air, and played using one or more keyboards to produce a wide range of musical effects. The pipes are generally arranged in ranks of a particular type, each controlled by a stop, and often into larger sets linked to separate keyboards.
      • an electronic keyboard instrument that produces sounds similar to those of a pipe organ. See also reed organ
    3. a department or organization that performs a specified function:
      "the central organs of administration and business"
    Origin
    late Old English organ, via Latin from Greek organon ‘tool, instrument, sense organ’, reinforced in Middle English by Old French organe.
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  2. Organ Definition & Meaning - Merriam-Webster

     
  3. Organ (biology) - Wikipedia

    In a multicellular organism, an organ is a collection of tissues joined in a structural unit to serve a common function. [1] . In the hierarchy of life, an organ lies between tissue and an organ system. Tissues are formed from same type …

  4. Organ - Definition and Examples - Biology Online …

    Jul 21, 2023 · In the biology dictionary, an organ is a group of tissues that collectively form a functional unit that is specialized to carry out a certain function. The Latin organum phrase means an “instrument” or “tool”.

  5. Organ | Definition, Types, & Facts | Britannica

  6. Human organs

    Organs are collections of tissues with a similar function. Humans have five vital organs that are essential for survival—the brain, heart, kidneys, liver, and lungs. Functionally related organs often cooperate to form whole organ systems. Organs are composed of parenchyma and stroma. Parenchyma is the main tissue which is unique for the specific organ, such as the myocardium, which is the main tissue of the heart. Stroma are sporadic tissues that include the nerves, blood vessels, and connective tissues.
    Human organs interactive imageLungsHeartLiverGallbladderLarge IntestineUrinary bladderUreterBrainStomachSpleenKidneysRectumSmall intestineDiaphragmPancreas
    Data from: Wikipedia · CC-BY-SA
  7. ORGAN | English meaning - Cambridge Dictionary

  8. Organ - National Human Genome Research Institute

    5 days ago · An organ is a collection of tissues that perform a specific function in the body. Learn about different types of organs, such as your heart, kidneys, and lungs, and how they work together.

  9. organ noun - Definition, pictures, pronunciation and usage notes ...

  10. ORGAN | definition in the Cambridge English Dictionary

  11. Organ Definition & Meaning | Britannica Dictionary

  12. Organs in the Body: Definition & Anatomy - Cleveland Clinic

  13. ORGAN definition and meaning | Collins English Dictionary

  14. Organ | definition of organ by Medical dictionary

  15. Organ - Definition, Meaning & Synonyms - Vocabulary.com

  16. organ - Definition | OpenMD.com

  17. Organ System - Definition and Examples - Biology Dictionary

  18. ORGAN definition in American English - Collins Online Dictionary

  19. ORGAN Definition & Meaning | Dictionary.com

  20. Organs | definition of organs by Medical dictionary

  21. Organs in the body: Diagram and all you need to know - Medical …

  22. List of organs of the human body - Wikipedia