vegetative state

vegetative state
a condition of profound nonresponsiveness in a state of apparent wakefulness, usually due to widespread lesions of the cerebral cortex and thalamus. Awareness of the self or of the environment is completely absent and there is no evidence of purposeful behavior; sleep/wake cycles occur, hypothalamic and brainstem autonomic functions are at least partially preserved, and stereotypic responses such as yawning and chewing are present.

Medical dictionary. 2011.

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  • Persistent vegetative state — ICD 9 780.03 MeSH D018458 A persistent vegetative state is a disorder of consciousness in which patients with severe brain damage who were in a coma, progress to a state of partial …   Wikipedia

  • persistent vegetative state — noun (medicine) An irreversible condition induced by lack of oxygen, in which the sufferer is still alive, but is incapable of any thought processes and any voluntary physical action (abbrev PVS) • • • Main Entry: ↑persist * * * noun [singular]… …   Useful english dictionary

  • persistent vegetative state — (PVS) the condition of living like a vegetable, without consciousness or the ability to initiate voluntary action, as a result of brain damage. People in the vegetative state may sometimes give the appearance of being awake and conscious, with… …   Medical dictionary

  • persistent vegetative state — PVS the condition of living without consciousness or the ability to initiate voluntary action, as a result of brain damage. People in the vegetative state may sometimes give the appearance of being awake and conscious, with open eyes. They may… …   The new mediacal dictionary

  • persistent vegetative state — persistent vegetative states N COUNT If someone is in a persistent vegetative state, they are unable to think, speak, or move because they have severe brain damage, and their condition is not likely to improve. [MEDICAL] …   English dictionary

  • permanent vegetative state — (PVS) the presence of a vegetative state three months after nontraumatic brain damage or 12 months after traumatic brain damage …   Medical dictionary

  • persistent vegetative state — (PVS) the presence of a vegetative state one month after acute brain damage …   Medical dictionary

  • persistent vegetative state — per.sistent vegetative .state n medical a condition in which someone s brain is so damaged that they cannot move or talk, and their condition is unlikely to improve …   Dictionary of contemporary English

  • persistent vegetative state — per,sistent ,vegetative state noun singular MEDICAL a condition in which a person shows no sign of any brain activity, for example following a serious injury, and is kept alive only by the use of medical machines …   Usage of the words and phrases in modern English

  • persistent vegetative state — noun A condition of patients with severe brain damage in whom coma has progressed to a state of wakefulness without awareness …   Wiktionary

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