You searched for: “anatomical dead space
anatomical dead space (s) (noun), anatomical dead spaces (pl)
The portions of the respiratory tract within the trachea, bronchi, and air passages containing air that does not reach the alveoli (tiny, thin-walled, capillary-rich sacs in the lungs where the exchange of oxygen and carbon dioxide takes place) during breathing: The amount of anatomical dead space is increased by certain lung disorders, such as emphysema.

This entry is located in the following unit: Anatomy and Related Anatomical Terms (page 2)