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Cell Theory and Overview of Cell Notes for NEET 2026 | Easy NCERT Explanation

  Cell Theory Explained: Schleiden, Schwann and Virchow Notes for NEET Cell Theory and Overview of Cell showing plant cell, animal cell, nucleus, cytoplasm and membrane-bound organelles. Cell Theory & Overview of Cell (NEET Notes for Beginners) 1. Development of Cell Theory 🧑‍🔬 Matthias Schleiden (1838) German botanist. Studied plant tissues. Concluded that all plants are made up of cells . 🧑‍🔬 Theodor Schwann (1839) German zoologist. Studied animal cells. Observed a thin outer boundary in animal cells, now called the plasma membrane (cell membrane) . Found that cell wall is present only in plant cells . Concluded that animals and plants are composed of cells and cell products . 📖 Cell Theory by Schleiden and Schwann They proposed that: All living organisms are made up of cells. Cells are the basic structural units of life. 🧑‍🔬 Rudolf Virchow (1855) Explained how new cells are formed. Proposed: "Omnis Cellula e Cellula" → All cells arise...