Dead Space Definition

A space remaining in the tissues as a result of failure of proper closure of surgical or other wounds permitting the accumulation of blood or serum.
Dead space definition. Medical definition of dead space 1. The respiratory tract is so designed that during inspiration its upper part upto the level of terminal bronchiole is filled with atmospheric air. Dead space is the volume of air that is inhaled that does not take part in the gas exchange because it either remains in the conducting airways or reaches alveoli that are not perfused or poorly perfused. The dead space in that portion of the respiratory system which is external to the alveoli and includes the air conveying ducts from the nostrils to the terminal bronchioles compare physiological dead space.
A space remaining in the tissues as a result of failure of proper closure of surgical or other wounds permitting the accumulation of blood or serum. An area within the maximum range of a weapon radar or observer which cannot be covered by fire or observation from a particular position because of intervening obstacles the nature of the ground or the characteristics of the trajectory or the limitations of the pointing capabilities of the weapon. The portions of the respiratory tract that are ventilated but not perfused by pulmonary circulation. An area within the maximum range of a weapon radar or observer which cannot be covered by fire or observation from a particular position because of intervening obstacles the nature of the ground or the characteristics of the trajectory or the limitations of the pointing capabilities of the weapon.
In other words not all the air in each breath is available for the exchange of oxygen and carbon dioxide. The portions of the respiratory tract that are ventilated but not perfused by pulmonary circulation. Dead space 1. An actual or potential cavity remaining after the closure of an incision and not obliterated by operative technique.
A space as that in the chest following excision of a lung left in the body as the result of a surgical procedure.