There are several synonyms for the phrase "receptors stretch lung" that can be used in various contexts. Firstly, the term "lung expansion sensors" refers to the receptors responsible for detecting and responding to changes in lung volume. Another synonym is "pulmonary stretch receptors", indicating receptors located in the lung tissue that react to stretching or distention. Additionally, the phrase "respiratory stretch receptors" is commonly used to describe the sensors that monitor lung inflation during breathing. These terms all encompass the crucial role receptors play in detecting changes in lung size and relaying this information to the brain, enabling efficient respiratory function.