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Descriptor English:   Mitochondria 
Descriptor Spanish:   Mitocondrias 
Descriptor Portuguese:   Mitocôndrias 
Synonyms English:   Contraction, Mitochondrial
Contractions, Mitochondrial
Mitochondrial Contraction
Mitochondrial Contractions
Tree Number:   A11.284.430.214.190.875.564
Definition English:   Semiautonomous, self-reproducing organelles that occur in the cytoplasm of all cells of most, but not all, eukaryotes. Each mitochondrion is surrounded by a double limiting membrane. The inner membrane is highly invaginated, and its projections are called cristae. Mitochondria are the sites of the reactions of oxidative phosphorylation, which result in the formation of ATP. They contain distinctive RIBOSOMES, transfer RNAs (RNA, TRANSFER); AMINO ACYL T RNA SYNTHETASES; and elongation and termination factors. Mitochondria depend upon genes within the nucleus of the cells in which they reside for many essential messenger RNAs (RNA, MESSENGER). Mitochondria are believed to have arisen from aerobic bacteria that established a symbiotic relationship with primitive protoeukaryotes. (King & Stansfield, A Dictionary of Genetics, 4th ed) 
Indexing Annotation English:   coordinate with organ /metab but not also organ /ultrastruct for metabolic studies; coordinate with organ /ultrastruct for morphological studies; mitochondria of vascular or smooth muscle tissue goes under MITOCHONDRIA, MUSCLE
History Note English:   MITOCHONDRIAL CONTRACTION was heading 1969-96 (was see under MITOCHONDRIA 1975, was Prov 1969-74) 
Allowable Qualifiers English:  
CH chemistry CL classification
DE drug effects EN enzymology
GE genetics IM immunology
ME metabolism MI microbiology
PS parasitology PA pathology
PH physiology RE radiation effects
TR transplantation UL ultrastructure
VI virology  
Record Number:   9117 
Unique Identifier:   D008928 

Occurrence in VHL: