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Central nervous system infection

 

 
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Central nervous system infection
 
 
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Central nervous system infections are those infection
Infection

An infection is the detrimental colonization of a host organism by a foreign species. In an infection, the infecting organism seeks to utilize the host resources to multiply ....
s of the central nervous system
Central nervous system

The central nervous system is the part of the nervous system that functions to coordinate the activity of all parts of the bodies of multicellular organisms....
 (CNS).






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Central nervous system infections are those infection
Infection

An infection is the detrimental colonization of a host organism by a foreign species. In an infection, the infecting organism seeks to utilize the host resources to multiply ....
s of the central nervous system
Central nervous system

The central nervous system is the part of the nervous system that functions to coordinate the activity of all parts of the bodies of multicellular organisms....
 (CNS). There are four main causes of infections of the nervous system: bacterial, viral
Virus

A virus is a Optical microscope#Limitations of light microscopes infectious agent that is unable to grow or reproduce outside a host cell . Viruses infect all cellular life....
, fungal
Fungus

A fungus is a Eukaryote organism that is a member of the Kingdom Fungi . The fungi are a monophyletic group, also called the Eumycota , that is phylogeny distinct from the morphologically similar slime molds and water molds ....
 and protozoa
Protozoa

Protozoan are microorganisms classified as unicellular eukaryotes. While there is no exact definition of the term "protozoan", most scientists use the word to refer to a unicellular heterotrophic protist, such as an amoeba or a ciliate....
l.
  • Fungal infections may be:
  • meningitis or meningoencephalitis
    Meningoencephalitis

    Meningoencephalitis is a Disease that simultaneously resembles both meningitis, which is an infection or inflammation of the meninges, and encephalitis, which is an infection or inflammation of the brain....
  • brain
    Brain

    The brain is the center of the nervous system in all vertebrate, and most invertebrate, animals. Some primitive animals such as cnidarian and echinoderm have a decentralized nervous system without a brain, while sponges lack any nervous system at all....
     abscess
  • spinal epidural infection


  • Protozoal infections include:
  • toxoplasmosis
    Toxoplasmosis

    Toxoplasmosis is a parasitic disease caused by the protozoan Toxoplasma gondii. The parasite infects most genera of warm-blooded animals, including humans, but the primary host is the Felidae....
  • malaria
    Malaria

    Malaria is a Vector -borne infectious disease caused by protozoan parasites. It is widespread in Tropics and subtropical regions, including parts of the Americas, Asia, and Africa....
  • amoebic
    Amoeba

    Amoeba is a term used either to describe protists that move by crawling via pseudopods, or to refer to a genus that includes species that move by this mechanism....
     infection


  • Bacterial infections can be:
  • tuberculosis
    Tuberculosis

    Tuberculosis is a common and often deadly infectious disease caused by mycobacterium, mainly Mycobacterium tuberculosis . Tuberculosis usually attacks the lungs but can also affect the central nervous system, the lymphatic system, the circulatory system, the genitourinary system, the gastrointestinal system, bones, joints, and even the...
  • leprosy
    Leprosy

    Leprosy , or Hansen's disease , is a Chronic disease caused by the bacteria Mycobacterium leprae and Mycobacterium lepromatosis. Leprosy is primarily a granulomatous disease of the Peripheral nervous system and Mucous membrane of the upper respiratory tract; skin lesions are the primary external symptom....
    .
  • neurosyphilis,
  • pyogenic infection
    Pyogenic infection

    The term refers to an infection characterized by severe local inflammation, usually with pus formation, generally caused by one of the pyogenic bacteria....
    s (e.g., meningitis
    Meningitis

    Meningitis is a medical condition caused by inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges....
    ; brain abscess
    Brain abscess

    Brain abscess is an abscess caused by inflammation and collection of infected material coming from local or remote infectious sources within the human brain tissue....
    ; abscess
    Abscess

    An abscess is a collection of pus that has accumulated in a cavity formed by the tissue on the basis of an infection process or other foreign materials ....
    es)


  • Viral infections may be:
  • meningitis
    Meningitis

    Meningitis is a medical condition caused by inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges....
  • encephalitis
    Encephalitis

    Not to be confused with syphilis, although that can cause encephalitis as well.Encephalitis is an Acute inflammation of the brain.Encephalitis with meningitis is known as meningoencephalitis....
  • poliomyelitis
    Poliomyelitis

    Poliomyelitis, often called polio or infantile paralysis, is an acute virus infectious disease spread from person to person, primarily via the fecal-oral route....
  • slow virus
    Slow virus

    A slow virus is a virus, or a viruslike agent, etiologically associated with a disease having a long incubation period of months to years with a gradual onset frequently terminating in severe illness and/or death....
     infections
  • acquired immune deficiency syndrome (AIDS)
  • ...and post-infectious syndromes