FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
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General Information
Term intracellular membraneless organelle ID (Ontology) GO:0043232 (Gene Ontology)
Definition Organized structure of distinctive morphology and function, not bounded by a lipid bilayer membrane and occurring within the cell. Includes ribosomes, the cytoskeleton and chromosomes.
Also Known As "intracellular non-membrane-bounded organelle" ; "intracellular non-membrane-enclosed organelle"
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organelle
 |__membraneless organelle___
 |__intracellular organelle__|
                             intracellular membraneless organelle  4703 rec.
                              |__arciform density
                              |__aster 43 rec.
                              |   |__horsetail-astral microtubule array
                              |__bacterial microcompartment
                              |   |__carboxysome
                              |   |__ethanolamine degradation polyhedral organelle
                              |   |__propanediol degradation polyhedral organelle
                              |__bacterial nucleoid
                              |__blepharoplast
                              |__centriole 112 rec.
                              |__chlorosome
                              |__chromocenter 42 rec.
                              |   |__perinucleolar chromocenter
                              |   |__polytene chromosome chromocenter 29 rec.
                              |__chromosome 1225 rec.
                              |   |__autosome 2 rec.
                              |   |__condensed chromosome(+) 233 rec.
                              |   |__mitochondrial chromosome 21 rec.
                              |   |__nuclear chromosome(+) 268 rec.
                              |   |__plastid chromosome(+)
                              |   |__polytene chromosome 375 rec.
                              |   |__sex chromosome(+) 11 rec.
                              |__contractile muscle fiber 1086 rec.
                              |   |__myofibril(+) 1080 rec.
                              |   |__smooth muscle contractile fiber
                              |__contractile vacuole complex
                              |__crystalloid
                              |__cytoplasmic lattice
                              |__cytoskeleton 1546 rec.
                              |   |__actin cytoskeleton(+) 405 rec.
                              |   |__cortical cytoskeleton(+) 67 rec.
                              |   |__intermediate filament cytoskeleton(+) 5 rec.
                              |   |__microtubule cytoskeleton 1019 rec.
                              |   |__perinuclear theca
                              |   |__postsynaptic cytoskeleton(+)
                              |   |__presynaptic cytoskeleton(+) 14 rec.
                              |   |__septin cytoskeleton(+) 10 rec.
                              |   |__spectrin-associated cytoskeleton(+) 1 rec.
                              |__deuterosome
                              |__dynein axonemal particle 4 rec.
                              |__encapsulin nanocompartment
                              |__gas vesicle
                              |__goblet cell theca
                              |__kinetochore 73 rec.
                              |__lipid droplet 193 rec.
                              |   |__ascus lipid droplet
                              |   |__monolayer-surrounded lipid storage body
                              |__mitochondrial cloud
                              |__mitochondrial nucleoid 36 rec.
                              |__nematocyst
                              |__nuclear body 112 rec.
                              |   |__cleavage body
                              |   |__Gemini of Cajal bodies 2 rec.
                              |   |__interchromatin granule
                              |   |__LYSP100-associated nuclear domain
                              |   |__nuclear dicing body
                              |   |__nuclear exosome focus
                              |   |__nuclear ribonucleoprotein granule(+) 89 rec.
                              |   |__PML body 3 rec.
                              |   |__sphere organelle
                              |__nucleolus 414 rec.
                              |__nucleolus-like body
                              |__plastid nucleoid
                              |   |__chloroplast nucleoid
                              |   |__proplastid nucleoid
                              |__podosome 1 rec.
                              |__postsynaptic specialization, intracellular component
                              |   |__postsynaptic density, intracellular component
                              |   |__postsynaptic specialization of symmetric synapse, intracellular component
                              |__proteasome storage granule 2 rec.
                              |__protein aggregate center
                              |__pyrenoid
                              |__ribonucleoprotein granule 226 rec.
                              |   |__cytoplasmic ribonucleoprotein granule(+) 138 rec.
                              |   |__nuclear ribonucleoprotein granule(+) 89 rec.
                              |__ribosome 314 rec.
                              |   |__cytosolic ribosome 204 rec.
                              |   |__organellar ribosome(+) 90 rec.
                              |__spectrosome 77 rec.
                              |__spindle 397 rec.
                              |   |__meiotic spindle 39 rec.
                              |   |__mitotic spindle 81 rec.
                              |__synaptic ribbon
                              |__thylakoid
                              |   |__bacterial thylakoid
                              |   |__organellar chromatophore thylakoid
                              |   |__plastid thylakoid(+)
                              |__transmembrane actin-associated (TAN) line
                              |__ventral disc
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Is a membraneless organelle
intracellular organelle
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Synonyms
  • "intracellular non-membrane-bounded organelle" EXACT
    "intracellular non-membrane-enclosed organelle" EXACT
Secondary IDs
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