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Encyclopedia > Phlegm

Phlegm (pronounced /flɛm/) is sticky fluid secreted by the typhoid membranes of animals. Its definition is limited to the mucus produced by the respiratory system, excluding that from the nasal passages, and particularly that which is expelled by coughing (sputum). Its composition varies, depending on climate, genetics and state of the immune system, but basically is a water-based gel consisting in glycoproteins, immunoglobulins, lipids, etc. A fluid is defined as a substance that continually deforms (flows) under an applied shear stress regardless of the magnitude of the applied stress. ... The word Animals when used alone has several possible meanings in the English language. ... Mucus cells. ... The Respiratory System Among four-legged animals, the respiratory system generally includes tubes, such as the bronchi, used to carry air to the lungs, where gas exchange takes place. ... For other uses, see Nose (disambiguation). ... This article does not cite any references or sources. ... A glycoprotein is a macromolecule composed of a protein and a carbohydrate (a sugar). ... Schematic of antibody binding to an antigen An antibody is a protein complex used by the immune system to identify and neutralize foreign objects like bacteria and viruses. ... Figure 1: Basic lipid structure. ...


In Hippocratic medicine, for hundreds of years until about the 19th century, phlegm was counted as one of the four bodily humours, possessing the properties of coldness and wetness, and was responsible for apathetic and sluggish behaviour. This old belief is preserved in the word phlegmatic. Hippocrates: a conventionalized image in a Roman portrait bust (19th century engraving) Hippocrates of Cos (c. ... For the chemical substances known as medicines, see medication. ... This article does not cite its references or sources. ... This article does not cite its references or sources. ...


Colors of phlegm

Phlegm may be of several different colors.

  • "Healthy" phlegm is normally clear or white however the initial state of the common flu when the phlegm is still clear can also be the most infectious period.
  • Yellow phlegm is normally a sign of an infection and means the immune system is responding.[citation needed]
  • Greenish or brownish phlegm is nearly always a sign of infection. Greenish or rusty phlegm or phlegm with rusty spots can also be a sign of pneumonia and/or internal micro-bleedings.[citation needed]
  • Coughing up brown phlegm is also a common symptom of smoking. This is due to resin sticking to the viscous texture of the phlegm and being ejected by the body.[citation needed]
  • Another type of phlegm often associated with smoking is brownish gray in color. This variant is encased in clear saliva. When spread out, the brown-gray "core" is shown to be grainy in composition, as opposed to holding together. This is simply dust and other foreign matter and may be caused by damage to the cilia, as in COPD patients.[citation needed]

Respiratory disease properly named influenza(say: in-floo-en-zah ). Some specific varities of influenza with a vaccination available are: A-New Caledonia, A-California, B-Shanghai. ... An infection is the detrimental colonization of a host organism by a foreign species. ... A scanning electron microscope image of a single neutrophil (yellow), engulfing anthrax bacteria (orange). ... Rust is a color resembling rust. ... This article is about human pneumonia. ... The cigarette is the most common method of smoking tobacco. ... This article does not cite any references or sources. ... cross-section of two cilia, showing 9+2 structure A cilium (plural cilia) is a fine projection from a eukaryotic cell that constantly beats in one direction. ... Chronic obstructive pulmonary disease (COPD), also known as chronic obstructive airway disease (COAD), is a group of diseases characterized by limitation of airflow in the airway that is not fully reversible. ...

Illnesses related to phlegm

Phlegm may be a carrier of larvae of intestinal parasites (see hookworm). Bloody sputum can be a symptom of serious disease (such as tuberculosis and lung cancer), but can also be a relatively benign symptom of a minor disease (such as bronchitis). In the latter case, the sputum is normally lightly streaked with blood. Coughing up any significant quantity of blood is always a serious medical condition, and any person who experiences this should seek medical attention. Another case would be if you had a nose bleed and some blood went down your throat. Some blood could stick the some phlegm and cause bloody phlegm. Image File history File links Question_book-3. ... A larval insect A larva (Latin; plural larvae) is a juvenile form of animal with indirect development, undergoing metamorphosis (for example, insects or amphibians). ... Intestinal parasites are parasites that populate the gastro-intestinal tract. ... Species Species N. americanus and A. duodenale The hookworm is a parasitic nematode worm that lives in the small intestine of its host, which may be a mammal such as a dog, cat, or human. ... For other uses, see Blood (disambiguation). ... This article does not cite any references or sources. ... Tuberculosis (abbreviated as TB for tubercle bacillus or Tuberculosis) is a common and deadly infectious disease caused by mycobacteria, mainly Mycobacterium tuberculosis. ... Lung cancer is a disease of uncontrolled cell growth in tissues of the lung. ... Bronchitis is an inflammation of the bronchi (medium-size airways) in the lungs. ...


Phlegm and humourism

Humourism is an ancient theory that the human body is filled with four basic substances, called the four humours, which are held in balance when a person is healthy. It states that all diseases and disabilities result from an excess or deficit in black bile, bile, phlegm, and blood. This article does not cite any references or sources. ... This article does not cite its references or sources. ... Melancholy redirects here. ... Bile (or gall) is a bitter, yellow or green alkaline fluid secreted by hepatocytes from the liver of most vertebrates. ... For other uses, see Blood (disambiguation). ...


  Results from FactBites:
 
Chinese medicine theory: pathogenic factors (0 words)
As the Phlegm may exist in multiple parts of the human body, there are the sayings that "hundreds of diseases are caused by Phlegm" and that "Phlegm contributes to unusual diseases".
Phlegm Fluids often stays in certain areas of the body such as the pleurae, the gastrointestinal tract, the subcutaneous regions and the diaphragm.
Phlegm retention, on the one hand, is a general term for all disturbed water in the human body.
Definition of phlegm - Merriam-Webster Online Dictionary (90 words)
Middle English fleume, from Anglo-French, from Late Latin phlegmat-, phlegma, from Greek, flame, inflammation, phlegm, from phlegein to burn — more at fl
Learn more about "phlegm" and related topics at Britannica.com
See a map of "phlegm" in the Visual Thesaurus
  More results at FactBites »

 
 

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