Pulmonary Gas Exchange:

Terms Related to Pulmonary Gas Exchange

• Pulmonary Diffusing Capacity

  The amount of a gas, usually oxygen or carbon dioxide, taken up by pulmonary capillary blood per minute per unit of average oxygen pressure gradient ...

• Pulmonary Alveolus

  Small polyhedral outpouchings along the walls of the alveolar sacs, alveolar ducts and terminal bronchioles through the walls of which gas exchange between alveolar air ...

• Respiratory Dead Space

  That part of the respiratory tract or the air within the respiratory tract that does not exchange oxygen and carbon dioxide with pulmonary capillary blood.

• Pulmonary Function Test

  Measurement of the various processes involved in the act of respiration: inspiration, expiration, oxygen and carbon dioxide exchange, lung volume and compliance, etc.

• Hyperventilation

  A pulmonary ventilation rate faster than is metabolically necessary for the exchange of gases. It is the result of an increased frequency of breathing, an ...

• Air Blood Barrier

  The barrier between capillary blood and alveolar air comprising the alveolar epithelium and capillary endothelium with their adherent basement membranes and epithelial cell cytoplasm. Gaseous ...