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- Dictionaryco·ma/ˈkōmə/
noun
- 1. a diffuse cloud of gas and dust surrounding the nucleus of a comet.
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Dec 14, 2022 · Coma is a state of prolonged loss of consciousness. It can have a variety of causes, including traumatic head injury, stroke, brain tumor, or drug or alcohol intoxication. A coma may even be caused by an underlying illness, such as diabetes or an infection. Coma is a medical emergency.
1. : a tufted bunch (as of branches, bracts, or seed hairs) 2. : the head of a comet consisting of a cloud of gas and dust and usually containing a nucleus. 3. : an optical aberration in which the image of a point source is a comet-shaped blur. comatic. kō-ˈma-tik. adjective. Examples of coma in a Sentence. Recent Examples on the Web. Noun.
Feb 4, 2022 · A coma is a prolonged state of unconsciousness that occurs when a part of the brain is damaged, either temporarily or permanently. Learn about treatments and prognosis.
A coma is a deep state of prolonged unconsciousness in which a person cannot be awakened, fails to respond normally to painful stimuli, light, or sound, lacks a normal wake-sleep cycle and does not initiate voluntary actions. [1] .
May 25, 2024 · A coma is a state of deep unconsciousness in which a person is unresponsive for a prolonged time. Although comas have many possible causes, they all involve temporary or permanent harm to the brain, impairing a person’s awareness of their surroundings and their ability to respond to them.
a state in which a person is unconscious and cannot be woken, caused by damage to the brain after an accident or illness: He's been in a coma for the past six weeks. She went into a deep coma after taking an overdose of sleeping pills. SMART Vocabulary: related words and phrases. Disorders of muscles & the nervous system. acoustic neuroma. ageusia.
Mar 6, 2023 · Being in a coma means you’re unconscious, unaware and unresponsive to what’s happening around you. It also blocks your awareness of yourself, including your body’s status and anything your body needs. At the most basic level, a coma means your brain isn’t working as it should.
Apr 24, 2023 · A coma is state of deep unconsciousness. It is similar to a deep sleep, but the person cannot wake up or respond in the usual way to their environment. Their levels of consciousness and...
Jul 20, 2016 · A coma is a deep state of unconsciousness. An individual in a coma is alive but unable to move or respond to his or her environment. Coma may occur as a complication of an underlying illness, or as a result of injuries, such as brain injury. A coma rarely lasts more than 2 to 4 weeks.
coma. noun [ C ] us / ˈkoʊ.mə / uk / ˈkəʊ.mə / Add to word list. a state in which a person is unconscious and cannot be woken, caused by damage to the brain after an accident or illness: He's been in a coma for the past six weeks. She went into a deep coma after taking an overdose of sleeping pills. SMART Vocabulary: related words and phrases.
