Definition

1. Noun:
   • Severe oxygen deficiency: A pathological condition characterized by a severe lack of oxygen supply to the body's tissues.
   • Absence of oxygen: Specifically refers to the absence of oxygen in inspired air, arterial blood, or bodily tissues, leading to cellular damage.

Usage Examples

• Noun:
  • High-altitude climbers risk cerebral anoxia due to the thin air.
  • The patient suffered from anoxia after a prolonged cardiac arrest.
  • Anoxia is a critical concern in cases of carbon monoxide poisoning.

Advanced Usage

• "Cerebral anoxia": A specific type of anoxia affecting the brain, often resulting from stroke or respiratory failure.
  • Cerebral anoxia can lead to permanent neurological damage.
• "Histotoxic anoxia": A form where oxygen is delivered but cannot be used by the tissues due to toxic agents (e.g., cyanide).
  • Histotoxic anoxia occurs when cells are poisoned and cannot utilize oxygen.

Variants and Related Words

• Anoxic (adj): Relating to or suffering from a lack of oxygen.
  • The lake's anoxic conditions cannot support fish life.
• Hypoxia (n): A broader term for a deficiency in oxygen supply, less severe than anoxia.
  • Hypoxia at high altitudes can cause shortness of breath.

Synonyms

• Oxygen deprivation
• Asphyxiation (in specific contexts of suffocation)

Related Phrases

• "Risk of anoxia": The potential danger of oxygen deprivation.
  • Divers must manage their air supply to avoid the risk of anoxia.
• "Anoxic brain injury": Damage to the brain caused by a complete lack of oxygen.
  • The accident resulted in an anoxic brain injury.

Noun

1. severe hypoxia; absence of oxygen in inspired gases or in arterial blood or in the tissues