A medical condition caused by years of smoking that damages the air sacs in your lungs and makes breathing hard is an example of emphysema.
- an abnormal swelling of bodily tissues caused by the accumulation of air; esp., such a swelling of the lung tissue, due to the destruction or permanent loss of elasticity of the alveoli, which seriously impairs respiration
Origin of emphysemaModern Latin from Classical Greek emphys?ma, inflation from emphysaein, to inflate, blow in from en-, in + physaein, to blow from Indo-European an unverified form phus- from base an unverified form pu-, an unverified form phu-, echoic of blowing with puffed cheeks
- A pathological condition of the lungs marked by an abnormal increase in the size of the air spaces, resulting in labored breathing and an increased susceptibility to infection. It can be caused by irreversible expansion of the alveoli or by the destruction of alveolar walls.
- An abnormal distension of body tissues caused by retention of air.
Origin of emphysemaGreek emphūsēma inflation from emphūsān to blow in en- in ; see en- 2. phūsān to blow ( from phūsa bellows, bladder )
top: normal bronchiole and alveoli
bottom: diseased bronchiole with mucus, enlarged air sacs in the alveoli, and fewer capillaries