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  1. Depolarization - Wikipedia

    In biology, depolarization or hypopolarization[1][2] is a change within a cell, during which the cell undergoes a shift in electric charge distribution, resulting in less negative charge inside the cell …

  2. Depolarization and Repolarization of the Heart: Understanding ...

    Dec 11, 2024 · Depolarization and repolarization are essential parts of the heart’s cycle, affecting muscle contraction and relaxation. In simpler terms, depolarization is when the heart cells fire …

  3. Depolarization: Definition, Mechanism, vs. Repolarization

    Apr 30, 2024 · Depolarization is the cellular event characterized by the shift in the distribution of electric charges within a cell, particularly evident in cell membranes, majorly neural …

  4. What is Depolarisation and How Does It Work? - Biology Insights

    Aug 5, 2025 · Depolarization is a fundamental electrical process in living organisms, involving rapid changes in the electrical charge across cell membranes. This alteration in electrical …

  5. Depolarization - Definition and Examples - Biology Online ...

    May 29, 2023 · Depolarization is when a change occurs inside a cell that causes the distribution of electric charges to alter, leaving the cell with a less negative charge than the outside. …

  6. DEPOLARIZATION Definition & Meaning - Merriam-Webster

    The meaning of DEPOLARIZATION is the process of depolarizing something or the state of being depolarized. How to use depolarization in a sentence.

  7. Depolarization | bioelectricity | Britannica

    Depolarization —a decrease in negative charge—constitutes an excitatory PSP because, if the neuron reaches the critical threshold potential, it can excite the generation of a nerve impulse …

  8. Depolarization Definition - Anatomy and Physiology II Key ...

    Depolarization is a change in a cell's membrane potential, making it more positive compared to its resting state. This process is crucial for the generation of action potentials in excitable cells, …

  9. Depolarization - Biology Simple

    Mar 6, 2024 · Depolarization occurs when the neuron receives a stimulus, causing positive ions to enter the cell and shifting the electrical charge towards a more positive state. This change in …

  10. What Is Cell Depolarization and How Does It Work?

    Jul 25, 2025 · Depolarization begins when a stimulus, such as a chemical signal or electrical impulse, changes the cell membrane’s permeability. This triggers the opening of specific …