lysosome


ly·so·some

noun \ˈlī-sə-ˌsōm\

Definition of LYSOSOME

:  a saclike cellular organelle that contains various hydrolytic enzymes — see cell illustration
ly·so·som·al \ˌlī-sə-ˈsō-məl\ adjective

Origin of LYSOSOME

International Scientific Vocabulary lys- + 3-some
First Known Use: 1955

ly·so·some

noun \ˈlī-sə-ˌsōm\   (Medical Dictionary)

Medical Definition of LYSOSOME

: a saclike cellular organelle that contains various hydrolytic enzymes
ly·so·som·al \ˌlī-sə-ˈsō-məl\ adjective
ly·so·som·al·ly \-mə-lē\ adverb

Illustration of LYSOSOME

lysosome

noun    (Concise Encyclopedia)

Membrane-enclosed organelle found in all eukaryotic cells (see eukaryote) that is responsible for the cell's digestion of macromolecules, old cell parts, and microorganisms. Lysosomes contain a wide variety of enzymes that break down macromolecules such as nucleic acids, proteins, and polysaccharides. Many of the products of lysosomal digestion, including amino acids and nucleotides, are recycled back to the cell for use in synthesizing new cellular components.

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