GO:0005575 cellular_component
GO:0033267 axon part
GO:0044447 axoneme part
GO:0044461 bacterial-type flagellum part
GO:0097312 biofilm matrix component
GO:0005623 cell
GO:0044448 cell cortex part
GO:0032155 cell division site part
GO:0030054 cell junction
GO:0044464 cell part
GO:0044463 cell projection part
GO:0044457 cell septum part
GO:0044426 cell wall part
GO:0044434 chloroplast part
GO:0044427 chromosomal part
GO:0044441 ciliary part
GO:0060103 collagen and cuticulin-based cuticle extracellular matrix part
GO:0044449 contractile fiber part
GO:0044444 cytoplasmic part
GO:0044433 cytoplasmic vesicle part
GO:0044430 cytoskeletal part
GO:0044445 cytosolic part
GO:0044432 endoplasmic reticulum part
GO:0044440 endosomal part
GO:0044462 external encapsulating structure part
GO:0044420 extracellular matrix component
GO:0005576 extracellular region
GO:0044421 extracellular region part
GO:0044431 Golgi apparatus part
GO:0033643 host cell part
GO:0044424 intracellular part
GO:0032991 macromolecular complex
GO:0016020 membrane
GO:0044425 membrane part
GO:0031974 membrane-enclosed lumen
GO:0044438 microbody part
GO:0044450 microtubule organizing center part
GO:0044455 mitochondrial membrane part
GO:0044429 mitochondrial part
GO:0097423 mitochondrion-associated adherens complex
GO:0097458 neuron part
GO:0044454 nuclear chromosome part
GO:0044453 nuclear membrane part
GO:0044428 nuclear part
GO:0009295 nucleoid
GO:0044452 nucleolar part
GO:0044451 nucleoplasm part
GO:0043226 organelle
GO:0044422 organelle part
GO:0044215 other organism
GO:0044217 other organism part
GO:0044439 peroxisomal part
GO:0044443 pilus part
GO:0120038 plasma membrane bounded cell projection part
GO:0044459 plasma membrane part
GO:0044435 plastid part
GO:0097425 smooth endoplasmic reticulum part
GO:0097223 sperm part
GO:0099080 supramolecular complex
GO:0055044 symplast
GO:0045202 synapse
GO:0044456 synapse part
GO:0044436 thylakoid part
GO:0044437 vacuolar part
GO:0039679 viral occlusion body
GO:0019012 virion
GO:0044423 virion part
This term has no ancestors.