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. 2004.

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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 — 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 — 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 — Segregation and disposal of damaged organelles within a cell. SYN: autophagia (3). [auto + G. phago, to eat] * * * 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 * * *… …   Medical dictionary

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

  • autophagy — au·toph·a·gy …   English syllables

  • autophagy — /ɔˈtɒfədʒi/ (say aw tofuhjee) noun Biology a process that breaks down damaged material in a cell and promotes growth and renewal. {auto 1 + phagy} –autophagic /ɔtəˈfædʒɪk/ (say awtuh fajik), adjective …   Australian English dictionary

  • autophagy —   n. devouring of cell constituents by enzymes of same cell.    ♦ autophagous, a …   Dictionary of difficult words

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