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GO:0005575
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cellular_component
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A location, relative to cellular compartments and structures, occupied by a macromolecular machine. There are three types of cellular components described in the gene ontology: (1) the cellular anatomical entity where a gene product carries out a molecular function (e.g., plasma membrane, cytoskeleton) or membrane-enclosed compartments (e.g., mitochondrion); (2) virion components, where viral proteins act, and (3) the stable macromolecular complexes of which gene product are parts (e.g., the clathrin complex). |
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GO:0110165
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cellular anatomical structure
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A part of a cellular organism consisting of a material entity with granularity above the level of a protein complex but below that of an anatomical system. Note that cellular organisms exclude viruses. |
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GO:0043227
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membrane-bounded organelle
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Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane. |
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GO:0043226
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organelle
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Organized structure of distinctive morphology and function. Includes the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton, and prokaryotic structures such as anammoxosomes and pirellulosomes. Excludes the plasma membrane. |
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GO:0016020
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membrane
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A lipid bilayer along with all the proteins and protein complexes embedded in it and attached to it. |
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GO:0031982
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vesicle
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Any small, fluid-filled, spherical organelle enclosed by membrane. |
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GO:0005576
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extracellular region
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The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite. |
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GO:0065010
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extracellular membrane-bounded organelle
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Organized structure of distinctive morphology and function, bounded by a lipid bilayer membrane and occurring outside the cell. |
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GO:0043230
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extracellular organelle
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Organized structure of distinctive morphology and function, occurring outside the cell. Includes, for example, extracellular membrane vesicles (EMVs) and the cellulosomes of anaerobic bacteria and fungi. |
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GO:1903561
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extracellular vesicle
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Any vesicle that is part of the extracellular region. |
