Human Phenotype Ontology 
Parent Node:
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Involuntary movements (HP:0004305)help
..Starting node
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Myoclonus (HP:0001336)help
Term ID:1336
Name:Myoclonus
Definition:Very brief, involuntary random muscular contractions occurring at rest, in response to sensory stimuli, or accompanying voluntary movements.
Comments:
Reference:HP:0001336
MSeqDR-LSDB(LS)
& Disease (OMIM):
1. LS OMIM: #203700 MITOCHONDRIAL DNA DEPLETION SYNDROME ..
2. LS OMIM: #252011 MITOCHONDRIAL COMPLEX II DEFICIENCY;;..
3. LS OMIM: #560000 RENAL TUBULOPATHY, DIABETES MELLITUS,..
4. LS OMIM: #605899 GLYCINE ENCEPHALOPATHY; GCE;;HYPERGLY..
5. LS OMIM: #607459 SENSORY ATAXIC NEUROPATHY, DYSARTHRIA..
6. LS OMIM: #612016 COENZYME Q10 DEFICIENCY, PRIMARY, 4; ..
7. LS OMIM: #614922 COMBINED OXIDATIVE PHOSPHORYLATION DE..
8. LS OMIM: #614946 COMBINED OXIDATIVE PHOSPHORYLATION DE..
9. LS OMIM: MYOCLONIC EPILEPSY ASSOCIATED WITH RAGGED-RED..
10.      OMIM: #103050 ADENYLOSUCCINASE DEFICIENCY;;ADENYLOS..
11.      OMIM: #137440 GERSTMANN-STRAUSSLER DISEASE; GSD;;EN..

Warning: 10 out of 101 matches reported due to space limit
                  super
       Child Nodes:
........expandChin myoclonus (HP:0012462) help
........expandCortical myoclonus (HP:0040148) help
........expandMorning myoclonic jerks (HP:0007000) help
........expandMyoclonic spasms (HP:0003739) help
........expandPalatal myoclonus (HP:0010530) help
........expandSleep myoclonus (HP:0012323) help
........expandSpinal myoclonus (HP:0010531) help

 Sister Nodes: 
..expandAthetosis (HP:0002305) help
..expandChorea (HP:0002072) help
..expandFasciculations (HP:0002380) help
..expandHemiballismus (HP:0100248) help
..expandIntermittent painful muscle spasms (HP:0011964) help
..expandInvoluntary jerking movements (HP:0007087) help
..expandInvoluntary writhing movements (HP:0007316) help
..expandParoxysmal dyskinesia (HP:0007166) help
..expandSelf-mutilation of tongue and lips due to involuntary movements (HP:0008767) help
 

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium.