LiteFold/GO huggingface dataset:
obsolete membrane lipid catabolic process (GO:0046466)
Namespace: biological_process
Definition: OBSOLETE. The chemical reactions and pathways resulting in the breakdown of membrane lipids, any lipid found in or associated with a biological membrane.
Synonyms: membrane lipid breakdown; membrane lipid catabolism; membrane lipid degradation; membrane lipid peroxidation
Comment: The reason for obsoletion is that this term groups lipids by their localization rather than by their metabolic function, which is problematic since most lipids can function in multiple locations.
obsolete membrane lipid biosynthetic process (GO:0046467)
Namespace: biological_process
Definition: OBSOLETE. The chemical reactions and pathways resulting in the formation of membrane lipids, any lipid found in or associated with a biological membrane.
Synonyms: membrane lipid anabolism; membrane lipid biosynthesis; membrane lipid formation; membrane lipid synthesis
Comment: The reason for obsoletion is that this term groups lipids by their localization rather than by their metabolic function, which is problematic since most lipids can function in multiple locations.
obsolete phosphatidyl-N-monomethylethanolamine metabolic process (GO:0046468)
Namespace: biological_process
Definition: OBSOLETE. The chemical reactions and pathways involving phosphatidyl-N-monomethylethanolamine (PMME), a derivative of phosphatidylethanolamine with a methylated amine group. Present in trace levels in plants and slightly higher in bacteria.
Synonyms: phosphatidyl-N-monomethylethanolamine metabolism; PMME metabolic process; PMME metabolism
Comment: This term was obsoleted because it is an unnecessary grouping term.
platelet activating factor metabolic process (GO:0046469)
Namespace: biological_process
Definition: The chemical reactions and pathways involving platelet activating factor, 1-O-alkyl-2-acetyl-sn-glycerol 3-phosphocholine, where alkyl = hexadecyl or octadecyl. Platelet activating factor is an inflammatory mediator released from a variety of cells in response to various stimuli.
Synonyms: PAF metabolic process; PAF metabolism; platelet activating factor metabolism
phosphatidylcholine metabolic process (GO:0046470)
Namespace: biological_process
Definition: The chemical reactions and pathways involving phosphatidylcholines, any of a class of glycerophospholipids in which the phosphatidyl group is esterified to the hydroxyl group of choline. They are important constituents of cell membranes.
Synonyms: phosphatidylcholine metabolism
phosphatidylglycerol metabolic process (GO:0046471)
Namespace: biological_process
Definition: The chemical reactions and pathways involving phosphatidylglycerols, any of a class of phospholipids in which the phosphatidyl group is esterified to the hydroxyl group of glycerol. They are important constituents of cell membranes.
Synonyms: phosphatidylglycerol metabolism
phosphatidic acid metabolic process (GO:0046473)
Namespace: biological_process
Definition: The chemical reactions and pathways involving phosphatidic acid, any derivative of glycerol phosphate in which both the remaining hydroxyl groups of the glycerol moiety are esterified with fatty acids.
Synonyms: phosphatidic acid metabolism
glycerophospholipid biosynthetic process (GO:0046474)
Namespace: biological_process
Definition: The chemical reactions and pathways resulting in the formation of glycerophospholipids, any derivative of glycerophosphate that contains at least one O-acyl, O-alkyl, or O-alkenyl group attached to the glycerol residue.
Synonyms: glycerophospholipid anabolism; glycerophospholipid biosynthesis; glycerophospholipid formation; glycerophospholipid synthesis; phosphoglyceride biosynthesis; phosphoglyceride biosynthetic process
obsolete glycosylceramide biosynthetic process (GO:0046476)
Namespace: biological_process
Definition: OBSOLETE. The chemical reactions and pathways resulting in the formation of glycosylceramides, any compound formed by the replacement of the glycosidic hydroxyl group of a cyclic form of a monosaccharide (or derivative) by a ceramide group.
Synonyms: glycosylceramide anabolism; glycosylceramide biosynthesis; glycosylceramide formation; glycosylceramide synthesis
Comment: This term was obsoleted because it represents the same process as glycosphingolipid biosynthetic process ; GO:0006688.
glycosylceramide catabolic process (GO:0046477)
Namespace: biological_process
Definition: The chemical reactions and pathways resulting in the breakdown of glycosylceramides, any compound formed by the replacement of the glycosidic hydroxyl group of a cyclic form of a monosaccharide (or derivative) by a ceramide group.
Synonyms: glycosylceramide breakdown; glycosylceramide catabolism; glycosylceramide degradation
obsolete lactosylceramide metabolic process (GO:0046478)
Namespace: biological_process
Definition: OBSOLETE. The chemical reactions and pathways involving lactosylceramides, Gal-beta-(1->4)-Glc-beta-(1->1') ceramides, any compound formed by the replacement of the glycosidic C1 hydroxyl group of lactose by a ceramide group. They are the precursors of both gangliosides and globosides.
Synonyms: lactosylceramide metabolism
Comment: This term was obsoleted because it is an unnecessary grouping term.
glycosphingolipid catabolic process (GO:0046479)
Namespace: biological_process
Definition: The chemical reactions and pathways resulting in the breakdown of glycosphingolipid, a compound with residues of sphingoid and at least one monosaccharide.
Synonyms: glycosphingolipid breakdown; glycosphingolipid catabolism; glycosphingolipid degradation
galactolipid galactosyltransferase activity (GO:0046480)
Namespace: molecular_function
Definition: Catalysis of the reaction: 2 mono-beta-D-galactosyldiacylglycerol = alpha-D-galactosyl-beta-D-galactosyldiacylglycerol + 1,2-diacylglycerol.
Synonyms: 3-(beta-D-galactosyl)-1,2-diacyl-sn-glycerol:mono-3-(beta-D-galactosyl)-1,2-diacyl-sn-glycerol beta-D-galactosyltransferase activity; DGDG synthase activity; digalactosyldiacylglycerol synthase activity; galactolipid-galactolipid galactosyltransferase activity; galactolipid:galactolipid galactosyltransferase activity; GGGT activity; interlipid galactosyltransferase activity
digalactosyldiacylglycerol synthase activity (GO:0046481)
Namespace: molecular_function
Definition: Catalysis of the reaction: 1,2-diacyl-3-beta-D-galactosyl-sn-glycerol + UDP-D-galactose = 3-[alpha-D-galactosyl-(1->6)-beta-D-galactosyl]-1,2-diacyl-sn-glycerol + H+ + UDP.
Synonyms: DGD1; DGD2; DGDG synthase activity; UDP-galactose-dependent DGDG synthase activity; UDP-galactose-dependent digalactosyldiacylglycerol synthase activity; UDP-galactose:3-(beta-D-galactosyl)-1,2-diacyl-sn-glycerol 6-alpha-galactosyltransferase activity; UDP-galactose:MGDG galactosyltransferase activity
para-aminobenzoic acid metabolic process (GO:0046482)
Namespace: biological_process
Definition: The chemical reactions and pathways involving para-aminobenzoic acid, an intermediate in the synthesis of folic acid, a compound which some organisms, e.g. prokaryotes, eukaryotic microbes, and plants, can synthesize de novo. Others, notably mammals, cannot. In yeast, it is present as a factor in the B complex of vitamins.
Synonyms: 4-aminobenzoic acid metabolic process; 4-aminobenzoic acid metabolism; p-aminobenzoic acid metabolic process; p-aminobenzoic acid metabolism; PABA metabolic process; PABA metabolism; para-aminobenzoic acid metabolism; vitamin Bx metabolic process; vitamin Bx metabolism
obsolete heterocycle metabolic process (GO:0046483)
Namespace: biological_process
Definition: OBSOLETE. The chemical reactions and pathways involving heterocyclic compounds, those with a cyclic molecular structure and at least two different atoms in the ring (or rings).
Comment: The reason for obsoletion is that this term was an unnecessary grouping term.
obsolete oxazole or thiazole metabolic process (GO:0046484)
Namespace: biological_process
Definition: OBSOLETE. The chemical reactions and pathways involving oxazole or thiazole, five-membered heterocyclic ring structures containing an oxygen and a sulfur, respectively, in the 1-position and a nitrogen in the 3-position.
Synonyms: oxazole or thiazole metabolism
Comment: This term was obsoleted because it is an unnecessary grouping term.
ether lipid metabolic process (GO:0046485)
Namespace: biological_process
Definition: The chemical reactions and pathways involving ether lipids, lipids that contain (normally) one lipid alcohol in ether linkage to one of the carbon atoms (normally C-1) of glycerol.
Synonyms: ether lipid metabolism; plasmalogen metabolic process
glycerolipid metabolic process (GO:0046486)
Namespace: biological_process
Definition: The chemical reactions and pathways involving glycerolipids, any lipid with a glycerol backbone. Diacylglycerol and phosphatidate are key lipid intermediates of glycerolipid biosynthesis.
Synonyms: glycerolipid metabolism
glyoxylate metabolic process (GO:0046487)
Namespace: biological_process
Definition: The chemical reactions and pathways involving glyoxylate, the anion of glyoxylic acid, HOC-COOH.
Synonyms: glyoxylate metabolism
phosphatidylinositol metabolic process (GO:0046488)
Namespace: biological_process
Definition: The chemical reactions and pathways involving phosphatidylinositol, any glycophospholipid in which a sn-glycerol 3-phosphate residue is esterified to the 1-hydroxyl group of 1D-myo-inositol.
Synonyms: phosphatidylinositol metabolism; phosphoinositide metabolic process; phosphoinositide metabolism; PtdIns metabolic process; PtdIns metabolism
isopentenyl diphosphate metabolic process (GO:0046490)
Namespace: biological_process
Definition: The chemical reactions and pathways involving isopentenyl diphosphate, an isomer of dimethylallyl diphosphate and the key precursor of all isoprenoids.
Synonyms: IPP metabolic process; IPP metabolism; isopentenyl diphosphate metabolism; isopentenyl pyrophosphate metabolic process; isopentenyl pyrophosphate metabolism
L-methylmalonyl-CoA metabolic process (GO:0046491)
Namespace: biological_process
Definition: The chemical reactions and pathways involving L-methylmalonyl-CoA, the L-enantiomer of 2-carboxypropanoyl-CoA. S-methylmalonyl-CoA is an intermediate in the beta oxidation of odd-numbered fatty acids in animals.
Synonyms: L-methylmalonyl-CoA metabolism
obsolete heme B metabolic process (GO:0046492)
Namespace: biological_process
Definition: OBSOLETE. The chemical reactions and pathways involving heme b, a Fe(II) porphyrin complex readily isolated from the hemoglobin of beef blood, but also found in other proteins including other hemoglobins, myoglobins, cytochromes P-450, catalases, peroxidases as well as b type cytochromes.
Synonyms: haem B metabolic process; haem B metabolism; heme B metabolism; protoheme metabolic process; protoheme metabolism
Comment: This term was obsoleted because it is an unnecessary grouping term.
lipid A metabolic process (GO:0046493)
Namespace: biological_process
Definition: The chemical reactions and pathways involving lipid A, the glycolipid group of bacterial lipopolysaccharides, consisting of four to six fatty acyl chains linked to two glucosamine residues. Further modifications of the backbone are common.
Synonyms: lipid A metabolism
obsolete rhizobactin 1021 metabolic process (GO:0046494)
Namespace: biological_process
Definition: OBSOLETE. The chemical reactions and pathways involving rhizobactin 1021, (E)-4-((3-(acetylhydroxyamino)propyl)-amino)-2-hydroxy-(2-(2-(3-(hydroxy(1-oxo-2-decenyl)amino)propyl)amino)-2-oxoethyl)-4-oxobutanoic acid, a siderophore produced by Sinorhizobium meliloti.
Synonyms: rhizobactin 1021 metabolism
Comment: This term was obsoleted because it is an unnecessary grouping class.
nicotinamide riboside metabolic process (GO:0046495)
Namespace: biological_process
Definition: The chemical reactions and pathways involving nicotinamide riboside, the product of the formation of a glycosidic bond between ribose and nicotinamide.
Synonyms: N-ribosylnicotinamide metabolic process; nicotinamide riboside metabolism
nicotinamide nucleotide metabolic process (GO:0046496)
Namespace: biological_process
Definition: The chemical reactions and pathways involving nicotinamide nucleotides, any nucleotide that contains combined nicotinamide.
Synonyms: nicotinamide nucleotide metabolism
obsolete nicotinate nucleotide metabolic process (GO:0046497)
Namespace: biological_process
Definition: OBSOLETE. The chemical reactions and pathways involving nicotinamide nucleotides, any nucleotide that contains combined nicotinate (pyridine 3-carboxylic acid, or niacin).
Synonyms: nicotinate nucleotide metabolism
Comment: This term was obsoleted because it is an unnecessary grouping term.
obsolete S-adenosylhomocysteine metabolic process (GO:0046498)
Namespace: biological_process
Definition: OBSOLETE. The chemical reactions and pathways involving S-adenosylhomocysteine; the L-enantiomer is formed from S-adenosylmethionine and is a strong inhibitor of S-adenosylmethionine-mediated methylation reactions. It can be cleaved to form adenosine and homocysteine.
Synonyms: S-adenosylhomocysteine metabolism
Comment: The reason for obsoletion is that the terms represent molecular functions and not biological processes.
S-adenosylmethioninamine metabolic process (GO:0046499)
Namespace: biological_process
Definition: The chemical reactions and pathways involving S-adenosylmethioninamine, (5-deoxy-5-adenosyl)(3-aminopropyl) methylsulfonium salt.
Synonyms: S-adenosylmethioninamine metabolism
S-adenosylmethionine metabolic process (GO:0046500)
Namespace: biological_process
Definition: The chemical reactions and pathways involving S-adenosylmethionine, S-(5'-adenosyl)-L-methionine, an important intermediate in one-carbon metabolism.
Synonyms: S-adenosyl methionine metabolic process; S-adenosyl methionine metabolism; S-adenosylmethionine metabolism; SAM metabolic process
protoporphyrinogen IX metabolic process (GO:0046501)
Namespace: biological_process
Definition: The chemical reactions and pathways involving protoporphyrinogen IX, the specific substrate for the enzyme ferrochelatase, which catalyzes the insertion of iron to form protoheme. It is probably also the substrate for chlorophyll formation.
Synonyms: protoporphyrinogen IX metabolism
Comment: See also the molecular function term 'ferrochelatase activity ; GO:0004325'.
glycerolipid catabolic process (GO:0046503)
Namespace: biological_process
Definition: The chemical reactions and pathways resulting in the breakdown of glycerolipids, any lipid with a glycerol backbone.
Synonyms: glycerolipid breakdown; glycerolipid catabolism; glycerolipid degradation
glycerol ether biosynthetic process (GO:0046504)
Namespace: biological_process
Definition: The chemical reactions and pathways resulting in the formation of glycerol ethers, any anhydride formed between two organic hydroxy compounds, one of which is glycerol.
Synonyms: glycerol ether anabolism; glycerol ether biosynthesis; glycerol ether formation; glycerol ether synthesis
sulfolipid metabolic process (GO:0046505)
Namespace: biological_process
Definition: The chemical reactions and pathways involving sulfolipids, any compound containing a sulfonic acid residue joined by a carbon-sulfur bond to a lipid.
Synonyms: sulfolipid metabolism; sulpholipid metabolic process; sulpholipid metabolism
sulfolipid biosynthetic process (GO:0046506)
Namespace: biological_process
Definition: The chemical reactions and pathways resulting in the formation of sulfolipid, a compound containing a sulfonic acid residue joined by a carbon-sulfur bond to a lipid.
Synonyms: sulfolipid anabolism; sulfolipid biosynthesis; sulfolipid formation; sulfolipid synthesis; sulpholipid biosynthesis; sulpholipid biosynthetic process
UDPsulfoquinovose synthase activity (GO:0046507)
Namespace: molecular_function
Definition: Catalysis of the reaction: sulfite + UDP-D-glucose = H2O + UDP-6-sulfoquinovose.
Synonyms: sulfite:UDP-glucose sulfotransferase activity; UDP-6-sulfo-6-deoxyglucose sulfohydrolase activity; UDP-sulfoquinovose synthase activity; UDPsulphoquinovose synthase activity
hydrolase activity, acting on carbon-sulfur bonds (GO:0046508)
Namespace: molecular_function
Definition: Catalysis of the hydrolysis of any carbon-sulfur bond, C-S.
Synonyms: hydrolase activity, acting on carbon-sulphur bonds
1,2-diacylglycerol 3-beta-galactosyltransferase activity (GO:0046509)
Namespace: molecular_function
Definition: Catalysis of the reaction: 1,2-diacyl-sn-glycerol + UDP-D-galactose = 1,2-diacyl-3-beta-D-galactosyl-sn-glycerol + H+ + UDP.
Synonyms: 1-beta-MGDG activity; 1beta-MGDG; MGDG synthase activity; monogalactosyldiacylglycerol synthase activity; UDP galactose-1,2-diacylglycerol galactosyltransferase activity; UDP-galactose-diacylglyceride galactosyltransferase activity; UDP-galactose:1,2-diacyl-sn-glycerol 3-beta-D-galactosyltransferase activity; UDP-galactose:diacylglycerol galactosyltransferase activity; UDPgalactose:1,2-diacylglycerol 3-beta-D-galactosyltransferase activity; uridine diphosphogalactose-1,2-diacylglycerol galactosyltransferase activity
UDP-sulfoquinovose:DAG sulfoquinovosyltransferase activity (GO:0046510)
Namespace: molecular_function
Definition: Catalysis of the reaction: UDP-sulfoquinovose + 1,2-diacylglycerol = sulfoquinovosyldiacylglycerol + UDP.
Synonyms: sulfolipid synthase; UDP-sulphoquinovose:DAG sulphoquinovosyltransferase activity
sphinganine biosynthetic process (GO:0046511)
Namespace: biological_process
Definition: The chemical reactions and pathways resulting in the formation of sphinganine, D-erythro-2-amino-1,3-octadecanediol.
Synonyms: dihydrosphingosine biosynthesis; dihydrosphingosine biosynthetic process; sphinganine anabolism; sphinganine biosynthesis; sphinganine formation; sphinganine synthesis
sphingosine biosynthetic process (GO:0046512)
Namespace: biological_process
Definition: The chemical reactions and pathways resulting in the formation of sphingosine (sphing-4-enine), trans-D-erytho-2-amino-octadec-4-ene-1,3-diol, a long chain amino diol sphingoid base that occurs in most sphingolipids in animal tissues.
Synonyms: sphingosine anabolism; sphingosine biosynthesis; sphingosine formation; sphingosine synthesis
ceramide biosynthetic process (GO:0046513)
Namespace: biological_process
Definition: The chemical reactions and pathways resulting in the formation of ceramides, any N-acylated sphingoid.
Synonyms: ceramide anabolism; ceramide biosynthesis; ceramide formation; ceramide synthesis
ceramide catabolic process (GO:0046514)
Namespace: biological_process
Definition: The chemical reactions and pathways resulting in the breakdown of ceramides, any N-acetylated sphingoid.
Synonyms: ceramide breakdown; ceramide catabolism; ceramide degradation
obsolete hypusine metabolic process (GO:0046516)
Namespace: biological_process
Definition: OBSOLETE. The chemical reactions and pathways involving hypusine, N6-(4-amino-2-hydroxybutyl)-L-lysine.
Synonyms: hypusine metabolism
Comment: This term was obsoleted because it is an unnecessary grouping term.
octamethylcyclotetrasiloxane catabolic process (GO:0046517)
Namespace: biological_process
Definition: The chemical reactions and pathways resulting in the breakdown of octamethylcyclotetrasiloxane, a cyclic silicone-oxygen ring compound with two methyl groups attached to each silicone atom.
Synonyms: octamethylcyclotetrasiloxane breakdown; octamethylcyclotetrasiloxane catabolism; octamethylcyclotetrasiloxane degradation
obsolete octamethylcyclotetrasiloxane metabolic process (GO:0046518)
Namespace: biological_process
Definition: OBSOLETE. The chemical reactions and pathways involving octamethylcyclotetrasiloxane, a cyclic silicone-oxygen ring compound with two methyl groups attached to each silicone atom.
Synonyms: octamethylcyclotetrasiloxane metabolism
Comment: This term was obsoleted because it is an unnecessary grouping term.
sphingoid metabolic process (GO:0046519)
Namespace: biological_process
Definition: The chemical reactions and pathways involving sphingoids, any of a class of compounds comprising sphinganine and its homologues and stereoisomers, and derivatives of these compounds.
Synonyms: sphingoid base metabolic process; sphingoid base metabolism; sphingoid metabolism
sphingoid biosynthetic process (GO:0046520)
Namespace: biological_process
Definition: The chemical reactions and pathways resulting in the formation of sphingoids, any of a class of compounds comprising sphinganine and its homologues and stereoisomers, and derivatives of these compounds.
Synonyms: sphingoid anabolism; sphingoid biosynthesis; sphingoid formation; sphingoid synthesis
sphingoid catabolic process (GO:0046521)
Namespace: biological_process
Definition: The chemical reactions and pathways resulting in the breakdown of sphingoids, any of a class of compounds comprising sphinganine and its homologues and stereoisomers, and derivatives of these compounds.
Synonyms: sphingoid breakdown; sphingoid catabolism; sphingoid degradation
S-methyl-5-thioribose kinase activity (GO:0046522)
Namespace: molecular_function
Definition: Catalysis of the reaction: S-methyl-5-thio-D-ribose + ATP = S-methyl-5-thio-alpha-D-ribose 1-phosphate + ADP + 2 H+.
Synonyms: 5-methylthioribose kinase (phosphorylating); 5-methylthioribose kinase activity; ATP:S-methyl-5-thio-D-ribose 1-phosphotransferase activity; ATP:S5-methyl-5-thio-D-ribose 1-phosphotransferase activity; methylthioribose kinase activity; MTR kinase activity
S-methyl-5-thioribose-1-phosphate isomerase activity (GO:0046523)
Namespace: molecular_function
Definition: Catalysis of the reaction: S-methyl-5-thio-alpha-D-ribose 1-phosphate = S-methyl-5-thio-D-ribulose 1-phosphate.
Synonyms: 1-phospho-5'-S-methylthioribose isomerase activity; 1-PMTR isomerase activity; 5-methylthio-5-deoxy-D-ribose-1-phosphate ketol-isomerase activity; 5-methylthioribose-1-phosphate isomerase activity; methylthioribose 1-phosphate isomerase activity; MTR-1-P isomerase activity; S-methyl-5-thio-5-deoxy-D-ribose-1-phosphate aldose-ketose-isomerase activity; S-methyl-5-thio-5-deoxy-D-ribose-1-phosphate ketol-isomerase activity; S-methyl-5-thio-alpha-D-ribose-1-phosphate aldose-ketose-isomerase activity; S-methyl-5-thio-D-ribose-1-phosphate aldose-ketose-isomerase activity
sucrose-phosphate synthase activity (GO:0046524)
Namespace: molecular_function
Definition: Catalysis of the reaction: UDP-glucose + D-fructose 6-phosphate = UDP + sucrose 6-phosphate.
Synonyms: SPS; sucrose 6-phosphate synthase activity; sucrose phosphate synthetase activity; sucrose phosphate-uridine diphosphate glucosyltransferase activity; sucrosephosphate-UDP glucosyltransferase activity; UDP-glucose-fructose-phosphate glucosyltransferase activity; UDP-glucose:D-fructose-6-phosphate 2-alpha-D-glucosyltransferase activity; UDPglucose-fructose-phosphate glucosyltransferase activity; UDPglucose:D-fructose-6-phosphate 2-alpha-D-glucosyltransferase activity; uridine diphosphoglucose-fructose phosphate glucosyltransferase activity
xylosylprotein 4-beta-galactosyltransferase activity (GO:0046525)
Namespace: molecular_function
Definition: Catalysis of the reaction: UDP-galactose + O-beta-D-xylosylprotein = UDP + 4-beta-D-galactosyl-O-beta-D-xylosylprotein.
Synonyms: galactosyltransferase I activity; UDP-D-galactose:D-xylose galactosyltransferase activity; UDP-D-galactose:xylose galactosyltransferase activity; UDP-galactose:O-beta-D-xylosylprotein 4-beta-D-galactosyltransferase activity; UDP-galactose:xylose galactosyltransferase activity; UDPgalactose:O-beta-D-xylosylprotein 4-beta-D-galactosyltransferase activity; uridine diphosphogalactose-xylose galactosyltransferase activity
D-xylulose reductase activity (GO:0046526)
Namespace: molecular_function
Definition: Catalysis of the reaction: NAD+ + xylitol = D-xylulose + H+ + NADH.
Synonyms: xylitol dehydrogenase activity
glucosyltransferase activity (GO:0046527)
Namespace: molecular_function
Definition: Catalysis of the transfer of a glucosyl group to an acceptor molecule, typically another carbohydrate or a lipid.
imaginal disc fusion (GO:0046528)
Namespace: biological_process
Definition: The process following disc eversion whereby imaginal discs fuse with adjacent disc derivatives to form a continuous adult epidermis.