autophagy

autophagy
Segregation and disposal of damaged organelles within a cell. SYN: autophagia (3). [auto- + G. phago, to eat]

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au·toph·a·gy ȯ-'täf-ə-jē n, pl -gies digestion of cellular constituents by enzymes of the same cell
au·toph·a·gic -jik adj

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au·toph·a·gy (aw-tofґə-je) 1. the segregation and digestion of part of the cell's own cytoplasmic material within lysosomes. See also macroautophagy and microautophagy. Cf. heterophagy. 2. autophagia.

Medical dictionary. 2011.

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  • Autophagy — Au*toph a*gy, n. [Gr. ? self + ? to eat.] (Med.) The feeding of the body upon itself, as in fasting; nutrition by consumption of one s own tissues. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • Autophagy — This article is about the cellular process. For other uses, see Autophagy (disambiguation). (A) Diagram of autophagy; (B) Electron micrograph of autophagic structures in the fatbody of a fruit fly larva; (C) Fluorescently labeled autophagosomes… …   Wikipedia

  • Autophagy network — consists of enzymes and substrates involved in the degradation of a cell s own components. Network membersThe Autophagy network members (gene name and aliases) as published in the last 500 newest PubMed entries (see below) are depicted… …   Wikipedia

  • Autophagy (feeding) — Autophagy refers to when organisms attempt to eat themselves, or absorb their own tissues. This behavior has been documented in North American rat snakes. One captive individual twice attempted to consume itself, dying in the second attempt.… …   Wikipedia

  • Autophagy (cellular) — In cell biology, autophagy, or autophagocytosis, is a catabolic process involving the degradation of a cell s own components through the lysosomal machinery. It is a tightly regulated process that plays a normal part in cell growth, development,… …   Wikipedia

  • autophagy — n. [Gr. autos, self; phagein, to eat] The eating of an appendage shed from the body by autotomy or otherwise …   Dictionary of invertebrate zoology

  • autophagy — Removal of cytoplasmic components, particularly membrane bounded organelles, by digesting them within secondary lysosomes(autophagic vacuoles). Particularly common in embryonic development and senescence …   Dictionary of molecular biology

  • autophagy — au·toph·a·gy (ô tŏfʹə jē) n. The process of self digestion by a cell through the action of enzymes originating within the same cell. * * * …   Universalium

  • autophagy — noun a) The process of self digestion by a cell through the action of enzymes originating within the same cell. Often a defensive and/or self preservation measure. b) A type of programmed cell death accomplished through self digestion Syn:… …   Wiktionary

  • autophagy — feeding on body s own tissues Feeding and Eating …   Phrontistery dictionary

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