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The role of lysosomes in intracellular digestionDigestion in protozoan organisms such as amoebas and paramecia takes place when a food particle is encased in a food vacuole. The vacuole and a lysosome unite, forming a digestive vacuole, and the products of digestion are absorbed across the vacuolar membrane. Indigestible wastes are ultimately expelled.
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egestion

physiology

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digestion

  • The role of lysosomes in intracellular digestionDigestion in protozoan organisms such as amoebas and paramecia takes place when a food particle is encased in a food vacuole. The vacuole and a lysosome unite, forming a digestive vacuole, and the products of digestion are absorbed across the vacuolar membrane. Indigestible wastes are ultimately expelled.
    In digestion: Egestion

    Animals that ingest bulk food unavoidably take in some matter that they are incapable of using. In the case of unicellular organisms that form food vacuoles, the vacuoles eventually fuse with the cell membrane and then rupture, releasing indigestible wastes to the outside. Substances…

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excretion and excretory systems

  • In excretion

    Egestion is the act of excreting unusable or undigested material from a cell, as in the case of single-celled organisms, or from the digestive tract of multicellular animals.

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