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BSL-3
BSL-3 Biosafety level 3. A level of biosafety considered appropriate for agents that may be transmitted by the respiratory route which can cause serious infection.
RELATED TERMS--------------------------------------
Biosafety
The application of knowledge, techniques and equipment to prevent personal, laboratory and environmental exposure to potentially infectious agents or biohazards. Biosafety defines the containment conditions under which infectious agents can be safely manipulated. The objective of containment is to confine biohazards and to reduce the potential exposure of the laboratory worker, persons outside of the laboratory, and the environment to potentially infectious agents.
Infection
Anything that invades the body and reproduces. Infections can be bacteria, protozoa, fungi, or viruses. Bacteria and fungi are one celled creatures that cause many infections including strep throat, bladder infections, and some lung infections. Fungi cause “athlete’s foot” and thrush, an infection in the mouth. Protozoa are small organisms with many cells that can cause infections in the guts or in the lungs. Most healthy people do not get protozoal infections, but people with suppressed immune systems can. Viruses are not really organisms; they are tiny particles that can live only inside another cell. They reproduce by taking over a cell and causing that cell to make more virus particles, rather than doing what the cell is supposed to do. Viruses cause most colds and flu cases.
SIMILAR TERMS--------------------------------------
BSL-1
Biosafety level 1. The lowest level of biosafety, a level that applies to agents that do not ordinarily cause human disease.
BSL-2
Biosafety level 2. A level of biosafety considered appropriate for agents that can cause human disease, but whose potential for transmission is limited.
BSL-4
Biosafety level 4. The highest level of biosafety. This level is used for the diagnosis of exotic agents such as the Ebola virus that pose a high risk of life-threatening disease, which may be transmitted by the aerosol route and for which there is no vaccine or therapy.
PREVIOUS AND NEXT TERMS--------------------------------------
Bruton agammaglobulinemia tyrosine kinase
A genetic type of immunodeficiency characterized by failure to produce mature B lymphocytes and gamma globulin, due to mutation (change) in the agammaglobulinemia tyrosine kinase gene situated on the X chromosome (in the region Xq21.3-q22). The disorder is inherited as an X-linked recessive trait.
BSA
Body surface area.
BSL
1. Biosafety level, as in a BSL-4 laboratory. 2.Biohazard safety level. 3.Blood sugar level.
BSL-1
Biosafety level 1. The lowest level of biosafety, a level that applies to agents that do not ordinarily cause human disease.
BSL-2
Biosafety level 2. A level of biosafety considered appropriate for agents that can cause human disease, but whose potential for transmission is limited.
BSL-3
BSL-4
Biosafety level 4. The highest level of biosafety. This level is used for the diagnosis of exotic agents such as the Ebola virus that pose a high risk of life-threatening disease, which may be transmitted by the aerosol route and for which there is no vaccine or therapy.
BTE
Behind-the-ear.
Bubble boy disease
Severe combined immunodeficiency disease.
Buboes
"The plural of ""bubo""."
Bubonic plague
"The most common form of the plague, named for the characteristic buboes -- buboes are enlarged lymph nodes (""swollen glands"") -- in the groin which are usually very tender and painful. Lymph nodes may be similarly affected elsewhere such as in the armpits and neck. Common but less specific features of the disease include headache, fever, chills, and weakness. "
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