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What is the difference between a local and a focal infection?

What is the difference between a local and a focal infection?

In present medical consensus, a focal infection is a localized infection, often asymptomatic, that causes disease elsewhere in the host, but focal infections are fairly infrequent and limited to fairly uncommon diseases.

What is a focal disease?

1. The point at which rays converge as, for example, in the focal point. 2. A localized area of disease. A focal cancer is limited to one specific area.

What is the difference between a local and systemic disease?

An infection that is in the bloodstream is called a systemic infection. An infection that affects only one body part or organ is called a localized infection.

What are focal infections?

A focal infection is a localized or general infection caused by the dissemination of microorganisms or toxic products from a focus of infection.

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What do focal infections start as?

an infection in which bacteria are localized in some region, as the tonsils or the tissue around a tooth, from which they may spread to some other organ or structure of the body.

What is the difference between a primary and secondary infection?

While a primary infection can practically be viewed as the root cause of an individual’s current health problem, a secondary infection is a sequela or complication of that root cause. For example, an infection due to a burn or penetrating trauma (the root cause) is a secondary infection.

What is a focal area?

Definition of focal area : a region whose characteristic speech features are imitated in neighboring regions : a center from which linguistic changes spread — compare graded area, relic area.

What does focal mean in pathology?

What does focal mean? Focal is a word pathologists use to describe something seen in only a small part of the tissue sample examined. Focal changes can be seen when the tissue is examined by eye (this is called the gross examination) or under the microscope. The opposite of focal is diffuse.

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What is local effect?

The impact of a therapeutic agent on specific tissues rather than on the whole body, esp. on those tissues where the agent is absorbed, metabolized, or most chemically active.

Is septicemia a focal infection?

The origin of many toxic or metastatic diseases may be traced to primary local or focal areas of infection. As examples, gonorrhea and gonococcic arthritis, furuncles and septicemia, tetanus and other self-limiting diseases may be cited.

Who invented focal infection theory?

Since the early 1900s, there has been investigation into the theory of mouth-to-body infection. The most common theory of that time was devised by Dr. William Hunter in 1909. His “Focal Infection Theory” stated that dental (septic) infection was the most important cause of, and complication of, medical diseases.

What is the difference between localized and focal disease?

Answer Wiki. An example of localized infection is common cold, which affects only the nose and throat, as opposed to a systematic infection, like flu, which affects pretty much all your body. Focal disease is a term usually used for a specific disease like focal glomerulonephritis (a type of kidney inflammation),…

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What is an example of a localized disease?

Answer Wiki. Local disease is an infection limited to one part of the body. An example of localized infection is common cold, which affects only the nose and throat, as opposed to a systematic infection, like flu, which affects pretty much all your body.

What is the difference between local and focal?

is that local is (medicine) of or pertaining to a restricted part of an organism while focal is (medicine) limited to a small area. is that local is from or in a nearby location while focal is belonging to, concerning, or located at a focus. is a person who lives nearby.

What is the difference between FOCAL and focal pneumonia?

Answer Wiki. Focal disease is a term usually used for a specific disease like focal glomerulonephritis (a type of kidney inflammation), in which only some parts of the kidney glomeruli are affected, as opposed to diffuse glomerulonephritis, in which the entire glomerulus is affected. Focal pneumonia affects only one lung lobe (lobar pneumonia).