intracellular anatomical structure
 |__intracellular organelle__
membrane-enclosed lumen      |
 |__organelle lumen__________|
organelle                    |
 |__intracellular organelle__|
 |__organelle lumen__________|
                             intracellular organelle lumen  1546 rec.
                              |__acidocalcisome lumen
                              |__cytoplasmic vesicle lumen 1 rec.
                              |   |__aleurone grain lumen
                              |   |__clathrin-sculpted acetylcholine transport vesicle lumen
                              |   |__clathrin-sculpted gamma-aminobutyric acid transport vesicle lumen
                              |   |__clathrin-sculpted glutamate transport vesicle lumen
                              |   |__clathrin-sculpted monoamine transport vesicle lumen
                              |   |__COPI-coated vesicle lumen
                              |   |__COPII-coated vesicle lumen
                              |   |__cytolytic granule lumen
                              |   |__esterosome lumen
                              |   |__Golgi-associated vesicle lumen
                              |   |__melanosome lumen
                              |   |__phagolysosome vesicle lumen
                              |   |__plasma membrane-derived thylakoid lumen
                              |   |__secretory granule lumen(+) 1 rec.
                              |   |__spine apparatus lumen
                              |   |__synaptic vesicle lumen
                              |   |__transport vesicle lumen(+)
                              |__endocytic vesicle lumen
                              |   |__clathrin-coated endocytic vesicle lumen
                              |   |__phagocytic vesicle lumen(+)
                              |__endoplasmic reticulum lumen 18 rec.
                              |   |__cortical endoplasmic reticulum lumen
                              |   |__luminal surveillance complex
                              |   |__mannosyl-oligosaccharide 1,2-alpha-mannosidase complex
                              |   |__perinuclear endoplasmic reticulum lumen
                              |   |__rough endoplasmic reticulum lumen
                              |   |__sarcoplasmic reticulum lumen(+)
                              |   |__smooth endoplasmic reticulum lumen
                              |__endosome lumen
                              |   |__early endosome lumen
                              |   |__endolysosome lumen
                              |   |__late endosome lumen(+)
                              |   |__recycling endosome lumen
                              |__ficolin-1-rich granule lumen
                              |__Golgi lumen
                              |   |__Golgi stack lumen
                              |   |__trans-Golgi network transport vesicle lumen
                              |__gut granule lumen
                              |__hydrogenosome lumen
                              |__magnetosome lumen
                              |__microbody lumen 3 rec.
                              |   |__peroxisomal matrix(+) 3 rec.
                              |__microneme lumen
                              |__mitochondrial matrix 379 rec.
                              |   |__Ecsit-NDUFAF1 complex
                              |   |__gamma DNA polymerase complex 3 rec.
                              |   |__mitochondrial electron transfer flavoprotein complex 2 rec.
                              |   |__mitochondrial endopeptidase Clp complex 3 rec.
                              |   |__mitochondrial fatty acid beta-oxidation multienzyme complex 3 rec.
                              |   |__mitochondrial glutamate synthase complex (NADH)
                              |   |__mitochondrial nucleoid(+) 36 rec.
                              |   |__mitochondrial processing peptidase complex 3 rec.
                              |   |__mitochondrial pyruvate dehydrogenase (lipoamide) phosphatase complex 2 rec.
                              |   |__mitochondrial ribosome(+) 90 rec.
                              |   |__mitochondrial translation initiation complex
                              |   |__mitochondrial translation preinitiation complex
                              |   |__NAGS/NAGK complex
                              |   |__PAM complex, Tim23 associated import motor 6 rec.
                              |__multivesicular body, internal vesicle lumen
                              |__nuclear lumen 1106 rec.
                              |   |__nuclear chromosome(+) 268 rec.
                              |   |__nuclear exosome (RNase complex)(+) 11 rec.
                              |   |__nuclear matrix 6 rec.
                              |   |__nuclear periphery(+) 35 rec.
                              |   |__nuclear proteasome complex(+)
                              |   |__nucleolus(+) 414 rec.
                              |   |__nucleolus-like body
                              |   |__nucleoplasm(+) 524 rec.
                              |   |__perinucleolar compartment
                              |__organelle envelope lumen 51 rec.
                              |   |__mitochondrial intermembrane space(+) 49 rec.
                              |   |__nuclear envelope lumen 2 rec.
                              |   |__plastid intermembrane space(+)
                              |__platelet dense tubular network lumen
                              |__tertiary granule lumen
                              |__vacuolar lumen 2 rec.
                                  |__autolysosome lumen
                                  |__autophagosome lumen
                                  |__azurophil granule lumen
                                  |__cytolytic granule lumen
                                  |__fungal-type vacuole lumen
                                  |__lysosomal lumen(+) 2 rec.
                                  |__phagolysosome vesicle lumen
                                  |__plant-type vacuole lumen(+)