| PUL | the additional volume of air that the lungs can inhale and exhale when breathing to the limit of capacity in times of stress |
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| PUL | abnormal narrowing of the opening into the pulmonary artery from the right ventricle |
| PUL | the artery that carries venous blood from the right ventricle of the heart and divides into the right and left pulmonary arteries |
| PUL | involving the lungs with progressive wasting of the body |
| PUL | a semilunar valve between the right ventricle and the pulmonary artery |
| PUL | any of four veins that carry arterial blood from the lungs to the left atrium of the heart |
| PUL | large order of gastropods usually breathing by means of a lung-like sac comprising most land snails and slugs and many freshwater snails |
| PUL | relating to or affecting the lungs |
| PUL | the soft inner part of a tooth |
| PUL | an inexpensive magazine printed on poor quality paper |
| PUL | any soft or soggy mass |
| PUL | a soft moist part of a fruit |