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Coma, from the Greek word "Koma," meaning deep sleep, is a state of extreme unresponsiveness, in which an individual exhibits no voluntary movement or behavior. Furthermore, in a deep coma, even painful stimuli (actions which, when performed on a healthy individual, result in reactions) are unable to affect any response, and normal reflexes may be lost.
A state of deep unconsciousness that lasts for a prolonged or indefinite period, caused especially by severe injury or illness.
A state of deep unconsciousness that lasts for a prolonged or indefinite period, caused especially by severe injury or illness.

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10y ago

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