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Category:GO:0005794 ! Golgi apparatus

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DAG for GO:0005794id: GO:0005794

name: Golgi apparatus
namespace: cellular_component
def: "A compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack. The Golgi apparatus differs from the endoplasmic reticulum in often having slightly thicker membranes, appearing in sections as a characteristic shallow semicircle so that the convex side (cis or entry face) abuts the endoplasmic reticulum, secretory vesicles emerging from the concave side (trans or exit face). In vertebrate cells there is usually one such organelle, while in invertebrates and plants, where they are known usually as dictyosomes, there may be several scattered in the cytoplasm. The Golgi apparatus processes proteins produced on the ribosomes of the rough endoplasmic reticulum; such processing includes modification of the core oligosaccharides of glycoproteins, and the sorting and packaging of proteins for transport to a variety of cellular locations. Three different regions of the Golgi are now recognized both in terms of structure and function: cis, in the vicinity of the cis face, trans, in the vicinity of the trans face, and medial, lying between the cis and trans regions." [ISBN:0198506732]
comment: Note that the Golgi apparatus can be located in various places in the cytoplasm. In plants and lower animal cells, the Golgi apparatus exists as many copies of discrete stacks dispersed throughout the cytoplasm, while the Golgi apparatus of interphase mammalian cells is a juxtanuclear, often pericentriolar reticulum, where the discrete Golgi stacks are stitched together to form a compact and interconnected ribbon, sometimes called the Golgi ribbon.
subset: goslim_agr
subset: goslim_aspergillus
subset: goslim_candida
subset: goslim_chembl
subset: goslim_generic
subset: goslim_mouse
subset: goslim_pir
subset: goslim_plant
subset: goslim_yeast
synonym: "Golgi" BROAD []
synonym: "Golgi complex" EXACT []
synonym: "Golgi ribbon" NARROW []
xref: NIF_Subcellular:sao451912436
xref: Wikipedia:Golgi_apparatus
is_a: GO:0043231 ! intracellular membrane-bounded organelle
is_a: GO:0044444 ! cytoplasmic part
relationship: part_of: GO:0012505 ! endomembrane system


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