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Protein-rich fluid (exudate) containing white blood cells, esp. neutrophils, and cell debris produced during inflammation. It commonly is caused by infection with pyogenic (pus-forming) bacteria such as streptococci, staphylococci, gonococci, and pneumococci. Normally, pus is yellow; red pus may contain blood from the rupture of small vessels, and bluish-green pus may contain Pseudomonas aeruginosa. Pus that has been walled off by a membrane is called an abscess.
SYN: SEE: suppuration
SEE: purulence; SEE: abscess
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Venes, Donald, editor. "Pus." Taber's Medical Dictionary, 24th ed., F.A. Davis Company, 2021. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/756183/all/blue_pus.
Pus. In: Venes DD, ed. Taber's Medical Dictionary. F.A. Davis Company; 2021. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/756183/all/blue_pus. Accessed June 7, 2023.
Pus. (2021). In Venes, D. (Ed.), Taber's Medical Dictionary (24th ed.). F.A. Davis Company. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/756183/all/blue_pus
Pus [Internet]. In: Venes DD, editors. Taber's Medical Dictionary. F.A. Davis Company; 2021. [cited 2023 June 07]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/756183/all/blue_pus.
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