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  1. Mitochondrion | Definition, Function, Structure, & Facts | Britannica

    Jan 19, 2009 · Mitochondrion, organelle found in most eukaryotic cells, the primary function of which is to generate energy in the form of adenosine triphosphate. Mitochondria also store calcium for cell …

  2. Mitochondrion - Wikipedia

    The term mitochondrion, meaning a thread-like granule, was coined by Carl Benda in 1898. The mitochondrion is popularly nicknamed the "powerhouse of the cell", a phrase popularized by Philip …

  3. Mitochondria: Form, function, and disease - Medical News Today

    May 27, 2025 · People often refer to mitochondria as the powerhouses of the cell. Their main function is to generate the energy necessary to power cells, but they are also involved in cell signaling and …

  4. Mitochondria – Definition, Structure, Function

    Jan 23, 2024 · A mitochondrion (plural: mitochondria) is an organelle in plants, animals, and fungi that produces chemical energy for cells. Mitochondria are the powerhouses of the cell.

  5. Mitochondria - National Human Genome Research Institute

    2 days ago · Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions.

  6. What are Mitochondria | MRC Mitochondrial Biology Unit

    Mitochondria are special compartments (organelles) in our cells that are best known for their role as powerhouses, as they breakdown food molecules and turn out ATP, a molecular fuel for the rest of …

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  7. What Is a Mitochondrion and Why Is It Important?

    Jul 20, 2025 · Mitochondria are specialized organelles found within the cells of animals, plants, and fungi. These structures are fundamental to cellular life, acting as the primary power generators.

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  8. MITOCHONDRION Definition & Meaning - Merriam-Webster

    The meaning of MITOCHONDRION is any of various round or long cellular organelles of most eukaryotes that are found outside the nucleus, produce energy for the cell through cellular …

  9. Mitochondria Definition - Cell Biology Key Term | Fiveable

    Definition Mitochondria are double-membraned organelles found in eukaryotic cells, often referred to as the powerhouse of the cell because they generate adenosine triphosphate (ATP) through oxidative …

  10. Mitochondria: What to Know - WebMD

    Aug 31, 2024 · Mitochondria are responsible for producing and providing energy to our bodies, especially in organs such as the heart, brain, and muscles, which require high-energy production.