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  2. Intracellular digestion - Wikipedia

    en.wikipedia.org/wiki/Intracellular_digestion

    Intracellular digestion can also refer to the process in which animals that lack a digestive tract bring food items into the cell for the purposes of digestion for nutritional needs. This kind of intracellular digestion occurs in many unicellular protozoans, in Pycnogonida , in some molluscs , Cnidaria and Porifera .

  3. Phagolysosome - Wikipedia

    en.wikipedia.org/wiki/Phagolysosome

    Formation of phagolysosomes is essential for the intracellular destruction of microorganisms and pathogens. It takes place when the phagosome's and lysosome's membranes 'collide', at which point the lysosomal contents—including hydrolytic enzymes —are discharged into the phagosome in an explosive manner and digest the particles that the ...

  4. Endomembrane system - Wikipedia

    en.wikipedia.org/wiki/Endomembrane_system

    Lysosomes carry out intracellular digestion, in a process called phagocytosis (from the Greek phagein, to eat and kytos, vessel, referring here to the cell), by fusing with a vacuole and releasing their enzymes into the vacuole. Through this process, sugars, amino acids, and other monomers pass into the cytosol and become nutrients for the cell.

  5. Endocytosis - Wikipedia

    en.wikipedia.org/wiki/Endocytosis

    The different types of endocytosis. Endocytosis is a cellular process in which substances are brought into the cell. The material to be internalized is surrounded by an area of cell membrane, which then buds off inside the cell to form a vesicle containing the ingested materials.

  6. Pepsin - Wikipedia

    en.wikipedia.org/wiki/Pepsin

    Pepsin / ˈ p ɛ p s ɪ n / is an endopeptidase that breaks down proteins into smaller peptides and amino acids.It is one of the main digestive enzymes in the digestive systems of humans and many other animals, where it helps digest the proteins in food.

  7. Digestive enzyme - Wikipedia

    en.wikipedia.org/wiki/Digestive_enzyme

    Digestive enzymes take part in the chemical process of digestion, which follows the mechanical process of digestion. Food consists of macromolecules of proteins, carbohydrates, and fats that need to be broken down chemically by digestive enzymes in the mouth , stomach , pancreas , and duodenum , before being able to be absorbed into the ...

  8. Digestion - Wikipedia

    en.wikipedia.org/wiki/Digestion

    Digestion is the breakdown of large insoluble food compounds into small water-soluble components so that they can be absorbed into the blood plasma. In certain organisms, these smaller substances are absorbed through the small intestine into the blood stream .

  9. Endoenzyme - Wikipedia

    en.wikipedia.org/wiki/Endoenzyme

    An endoenzyme, or intracellular enzyme, is an enzyme that functions within the cell in which it was produced. [1] Because the majority of enzymes fall within this category, the term is used primarily to differentiate a specific enzyme from an exoenzyme. It is possible for a single enzyme to have both endoenzymatic and exoenzymatic functions ...