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  1. Prophase | Definition, Mitosis, Summary, & Facts | Britannica

    Prophase, the initial stage of mitosis and of the mitotic division of meiosis, characterized by the formation of the mitotic spindle and the condensation of the chromosomes.

  2. Prophase - Wikipedia

    Prophase (from Ancient Greek προ- (pro-) 'before' and φάσις (phásis) 'appearance') is the first stage of cell division in both mitosis and meiosis. Beginning after interphase, DNA has already been …

  3. The 4 Mitosis Phases: Prophase, Metaphase, Anaphase, Telophase

    During prophase, that loose chromatin condenses and forms into visible, individual chromosomes. Since each of the parent cell’s chromosomes were replicated during interphase, there are two copies of …

  4. prophase | Learn Science at Scitable - Nature

    Prophase is the first phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells. During prophase, the...

  5. What Happens in Prophase? A Simple Explanation

    Aug 26, 2025 · Prophase marks the initial step in mitosis, a fundamental process where a single cell divides into two identical daughter cells. During this early stage, the cell begins an intricate series of …

  6. Prophase Definition - Cell Biology Key Term | Fiveable

    Prophase is the first stage of mitosis, where the chromatin condenses into visible chromosomes, and the nuclear envelope begins to break down. During this phase, each chromosome is made up of two …

  7. Prophase - Definition, Stages, Mechanisms, Significance

    Prophase is the initial stage of cell division in both mitosis and meiosis, characterized by distinct chromosomal and nuclear changes. This phase is critical for preparing the cell for accurate …

  8. PROPHASE Definition & Meaning | Dictionary.com

    PROPHASE definition: the first stage of mitosis or meiosis in eukaryotic cell division, during which the nuclear envelope breaks down and strands of chromatin form into chromosomes. See examples of …

  9. PROPHASE Definition & Meaning - Merriam-Webster

    The meaning of PROPHASE is the initial stage of mitosis and of the mitotic division of meiosis characterized by the condensation of chromosomes consisting of two chromatids, disappearance of …

  10. Prophase — Definition & Diagrams - Expii

    Prophase is the first step of mitosis. During this stage, chromatin condenses into chromosomes, the nucleus disappears, and spindle fibers form.