抄録
1. The definition of expiratory incompetency of obstructive and of non-obstructive type is introduced using the vital capacity, the timed vital capacity, and the index of air trapping.
2. Physiological aspects of the obstructive ventilatory involvement is dis-cussed with special referrence to the index of air trapping.
3. The senile pulmonary emphysema is defined from the clinico-physiological standpoint.
4. The ventilatory and alveolar functions of the senile pulmonary emphy-sema are discussed in comparison with those of the chronic pulmonary emphysema.
5. Clinical importance of the senile pulmonary emphysema is emphasized with regard to the ventilatory functions in the aged.
