Sputum is a type of thick mucus produced by the lungs . This article explains the types of sputum, what causes changes, and when to speak with a doctor. The meaning of SPUTUM is matter expectorated from the respiratory system and especially the lungs that is composed of mucus but may contain pus, blood, fibrin, or microorganisms (such as bacteria) in diseased states. Mucus vs. Phlegm vs. Sputum Mucus , phlegm , and sputum are terms often used in discussions about respiratory health, but they have distinct meanings and implications for medical diagnosis and treatment. Understanding these differences is essential for both healthcare professionals and patients in identifying and managing respiratory conditions. Mucus Mucus is a viscous, slippery substance produced by the mucous membranes throughout the body, including the lungs, throat, mouth, nose, sinuses ... Phlegm is a viscous, gel-like substance produced by the respiratory system as a response to infections, allergies, or irritants. It serves as a crucial defense mechanism, trapping foreign particles and pathogens to prevent them from entering deeper into the lungs. The color, consistency, and quantity of phlegm can provide valuable insights into the underlying causes and conditions affecting the respiratory system.
