Bronchospasm vs. Bronchoconstriction

Bronchospasmnoun

(medicine) difficulty in breathing due to a contraction of smooth muscle in the walls of the bronchi and bronchioles

Bronchoconstrictionnoun

(medicine) A narrowing of the air passages through the bronchi of the lungs

Bronchospasmnoun

a spasm of the bronchi that makes exhalation difficult and noisy; associated with asthma and bronchitis

Bronchoconstriction

Bronchoconstriction is the constriction of the airways in the lungs due to the tightening of surrounding smooth muscle, with consequent coughing, wheezing, and shortness of breath.

Bronchospasm

Bronchospasm or a bronchial spasm is a sudden constriction of the muscles in the walls of the bronchioles. It is caused by the release (degranulation) of substances from mast cells or basophils under the influence of anaphylatoxins.