Definitions
1.NounThe volume of the conducting airways of the lung. This definition became inadequate once the alveolar dead space was described.
2.NounThat volume of air in the lung which does not partake in gas exchange.
3.NounThat volume of air in the lung that does not eliminate carbon dioxide, as defined functionally by the Bohr equation.
4.NounThe sum of the anatomic plus the alveolar dead spaces.
5.NounThe sum of the parallel and the serial dead spaces.