Alveolar duct

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Alveolar duct

The Alveolar duct (pronunciation: al-vee-uh-lur duhkt) is a part of the respiratory system that plays a crucial role in the process of respiration.

Etymology

The term "Alveolar" is derived from the Latin word "alveolus" meaning small cavity, while "duct" comes from the Latin "ductus" meaning a leading.

Definition

The Alveolar duct is the tiny end of the respiratory tree and is located within the lungs. It is a continuation of the respiratory bronchiole and leads to the alveolar sac which contains the alveoli, the tiny air sacs where gas exchange occurs.

Function

The primary function of the Alveolar duct is to transport air from the respiratory bronchioles to the alveolar sacs. This is where oxygen is taken into the body and carbon dioxide, a waste product of metabolism, is expelled from the body.

Related Terms

  • Respiratory system: The group of tissues and organs in your body that enable you to breathe.
  • Respiratory bronchiole: The smallest type of bronchiole, which leads to the alveolar duct.
  • Alveolar sac: A cluster of many individual alveoli, responsible for gas exchange.
  • Alveoli: Tiny air sacs in the lungs where exchange of oxygen and carbon dioxide takes place.

See Also

External links

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