Definition: Broncoblasts (also known as bronchioalveolar cells) are a type of immune system cell found in the lungs. They play a crucial role in clearing out debris and foreign substances from the lungs, which is essential for maintaining lung health. The process of broncoblast development begins with the formation of new airways within the alveoli (tiny air sacs) of the lungs. These new airways are then lined by an epithelial lining called a mesenchymal