Definition

Noun: - Lung tissue densely packed with alveoli: The alveolar bed refers to the extensive, dense network of alveoli (tiny air sacs) and their associated capillaries within the lung tissue. It is the primary site for the exchange of oxygen and carbon dioxide between the air and the bloodstream.

Usage

The term is used in medical, anatomical, and physiological contexts to describe the functional tissue unit of the lung responsible for gas exchange. - The efficiency of gas exchange depends on the health and surface area of the alveolar bed. - Pulmonary diseases like emphysema can destroy the alveolar bed, reducing lung capacity.

Advanced Usage

• "Integrity of the alveolar bed": Refers to the structural and functional soundness of this tissue network.
  • The infection compromised the integrity of the alveolar bed.
• "Capillary-alveolar bed": Emphasizes the intimate connection between the alveoli and the blood capillaries.
  • Gas exchange occurs across the membrane of the capillary-alveolar bed.

Variants and Related Words

• Alveolus (noun, plural: alveoli): A single tiny air sac in the lungs where gas exchange occurs.
• Alveolar (adjective): Pertaining to the alveoli.
  • Alveolar ventilation is crucial for maintaining blood oxygen levels.
• Pulmonary parenchyma: A broader term for the functional tissue of the lungs, which includes the alveolar bed.

Synonyms

• Gas exchange surface (of the lung): A functional synonym describing its primary role.
• Pulmonary alveoli network: A descriptive synonym emphasizing the interconnected structure.

Related Phrases

• Damage to the alveolar bed: A common phrase in pathology.
  • Smoking causes progressive damage to the alveolar bed.
• Perfusion of the alveolar bed: Refers to the blood flow through the capillaries surrounding the alveoli.
  • Adequate perfusion of the alveolar bed is necessary for efficient oxygenation.

Noun

1. lung tissue densely packed with alveoli