Main Entry: anatomical dead space Function: noun : the dead space in that portion of the respiratory system which is external to the alveoli and includes theair-conveying ducts from the nostrils to the terminal bronchioles —compare PHYSIOLOGICAL DEAD SPACE
anatomical dead spacen. The volume of the conducting airways of the nose, mouth, and trachea down to the level of the alveoli, representing that portion of inspired gas unavailable for exchange of gases with pulmonary capillary blood.
