Where does phlegm come from?

Phlegm comes from the respiratory tract. Phlegm is the liquid secreted by the respiratory tract when it is stimulated, also called sputum. The components include mucus, foreign matter, pathogenic microorganisms, various inflammatory cells, necrotic epithelial cells of the mucous membrane.

Phlegm has yellow, white, green, red, yellow and white colors in appearance, and the traits can be divided into foamy sputum, jelly sputum, pus sputum, thin sputum, blood sputum, etc. According to the location, it can be divided into large lobe sputum, small lobe sputum and so on.

Expanded Information

Phlegm can be divided into tangible and intangible phlegm. Tangible phlegm, visible, palpable, and audible, such as coughing up visible phlegm, phlegm can be heard in the throat, phlegm can be touched on the surface of the nucleus of phlegm (equivalent to the category of lipoma in Western medicine), and so on.

The invisible phlegm is invisible and cannot be touched or smelled, but there are signs and symptoms that can be detected, which can be analyzed through its pathogenic characteristics and clinical symptoms to determine and treat it with the correct expectorant methods.

The formation of phlegm is complex, and phlegm may be formed by external influences or epidemics, internal injuries, diet, labor, blood stasis, stones, etc. The metabolism of water in the human body is caused by several factors. The body's water metabolism is completed by a number of internal organs *** with the lungs, spleen and kidneys have the closest relationship. The lungs are the main regulator of the waterway, the source of water; the spleen is the main transportation of water, the center of the water operation; the kidney is the main water, the water metabolism of this.

People's Daily Online - Many diseases are related to phlegm

Baidu Encyclopedia - Phlegm