Bacteria or amoeba from the intestines can spread through the blood to the liver and cause abscesses. ." n. a swollen area within body tissue, containing an accumulation of pus. • The Oxford Pocket Dictionary of Current English. Lung abscess. World Encyclopedia. Coming into close contact with an infected person 5. It is similar to a pimple, but larger and deeper under the skin. (pathology) A cavity caused by tissue destruction, usually because of infection, filled with pus and surrounded by inflamed tissue. People who have a birth defect involving a tiny opening in the skin just above the anus may have fecal bacteria enter this opening, causing an infection and a subsequent abscess. An abscess is usually caused by a bacterial infection that is often due to poor dental hygiene. Brain Abscess Guide: Causes, Symptoms and Treatment Options Refer to each style’s convention regarding the best way to format page numbers and retrieval dates. vb. Mark, in Diagnostic Pathology of Infectious Disease (Second Edition), 2018. Find out the causes and symptoms of PLA and how it's treated. DEFINITION A brain abscess is a focal, suppurative infection within the brain parenchyma, typically surrounded by a vascularized capsule. Corrections? How to use abscess in a sentence. Liver abscess. Lung abscess is defined as necrosis of the pulmonary tissue and formation of cavities containing necrotic debris or fluid caused by microbial infection. It is the result of the body's defensive reaction to foreign material. They flex the hips. The area swells due to the accumulation of water, blood, and other liquids. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. White blood cells go to the infected area, collect within the damaged tissue, and cause inflammation. Definition An abscess is an enclosed collection of liquefied tissue, known as pus, somewhere in the body. Lab findings of leukocytosis. The Oxford Pocket Dictionary of Current English. Treatment for those abscesses that do not naturally resolve themselves consists of cutting into the capsule and draining its pus contents. This barrier may … Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Abscess on the skin, with redness and swelling characteristic of inflammation. Abscesses are most often caused by a bacteria, called Staphylococcus aureus, which normally exists on the skin and inside the nose. Psoas abscess. Developed by renowned radiologists in each specialty, STATdx provides comprehensive decision support you can rely on - Hepatic Pyogenic Abscess However, the date of retrieval is often important. Similarly, a periodontal abscess may very well appear to be pulpal in origin, when in fact it is not. It can be life-threatening. A skin abscess is a pocket of pus. Many people have as a birth defect a tiny opening in the skin just above the anus. An abscess may form at the apex of the tooth and extend into the jawbone, causing osteomyelitis (inflammation of the bone), or into the soft tissues around the roots of the teeth, causing cellulitis (inflammation of the soft tissues). Abscesses are collections of pus in confined tissue spaces, usually caused by bacterial infection. Imaging is … An abscess is caused when such bacteria as staphylococci or streptococci gain access to solid tissue ( e.g., by means of a small wound on the skin). Antihistamines may be prescribed to reduce swelling. Abscess, a localized collection of pus in a cavity formed from tissues that have been broken down by infectious bacteria. Therefore, be sure to refer to those guidelines when editing your bibliography or works cited list. The formation of multiple small (<2 cm) abscesses is occasionally referred to as necrotizing pneumonia or lung gangrene. Find out what you know about diseases, disorders, and more. Dental abscess. An abscess can develop in one of these muscles, usually when it spreads from the appendix, the large bowel, or the fallopian tubes. Fungal brain abscesses tend to occur in people with weakened immune systems. Encyclopedia.com. https://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/abscess-0, "abscess Any blood-borne feeding off bacteria that stimulate pus production (pyogenic organisms). n. a swollen area within body tissue, containing an accumulation of pus. Bacteria are single-celled organisms. Psoas abscess. Abscess, a localized collection of pus in a cavity formed from tissues that have been broken down by infectious bacteria. Carbuncles and boils are types of abscess that often involve hair follicles, with carbuncles being larger. See more. A brain abscess forms when fungi, viruses, or bacteria reach your brain through a wound in your head or an infection somewhere else in your body. An abscess can develop in one of these muscles, usually when it spreads from the appendix, the large bowel, or the fallopian tubes. It can enter the body through a cut, abrasion, puncture, or even an insect bite.3 Other factors can increase the risk of S. aureus infection, including: 1. "abscess A brain abscess is a collection of pus that develops in response to an infection or trauma. Liver abscess. Psoas abscess. Fecal bacteria can enter this opening, causing an infection and subsequent abscess. Abscess: MedlinePlus Medical Encyclopedia Poor hygiene3 Another condition called folliculitis can cause an abscess to form w… dental and throat abscesses by mouth flora, abdominal and anal abscesses by normal bowel flora. In addition to the MLA, Chicago, and APA styles, your school, university, publication, or institution may have its own requirements for citations. Patients may present with pain, edema, and purulent discharge localized to the site of pathology with or without fever and tender cervical lymphadenopathy 1. A weakened immune system 4. The swelling may feel fluid-filled when pressed. It is often a complication of a bacterial infection of a wound, although it can also be…, Definition A dental or tooth abscess is a buildup of pus that forms inside the teeth or gums. Antibiotics are also administered to help fight the infection. . The Oxford Pocket Dictionary of Current English. The area of redness often extends beyond the swelling. The frequency in hospitalized patients is in the range of 8-16 cases per 100,000 persons. Articles from Britannica Encyclopedias for elementary and high school students. Ring in the new year with a Britannica Membership, This article was most recently revised and updated by, https://www.britannica.com/science/abscess, The Nemours Foundation - For Parents - Abscess, abscess - Student Encyclopedia (Ages 11 and up). It is the result of the body's defensive reaction to foreign material. What’s another name for breakbone fever? White blood cells (leukocytes) collect at the site; these leukocytes break down the dead tissues and absorb the bacteria by means of phagocytosis. DICTIONARY.COM Studies suggest a small, but significant, increase in the frequency of liver abscess. Sebaceous glands and superficial skin are the places usually infected. . What condition is caused by the deposition of salts of uric acid? ." (December 22, 2020). 22 Dec. 2020 . S & S of FUO, tenderness and swelling at a wound, chills, weakness, malaise, localized pain. It hurts, due to irritation from the swelling and the chemical activity. © 2019 Encyclopedia.com | All rights reserved. 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