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BSL-4
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BSL-4Biosafety 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.
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.
Diagnosis
The determination of the presence of a specific disease or infection, usually accomplished by evaluating clinical symptoms and laboratory tests.
Virus
Ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein.
Risk
In clinical trials, the probability of harm or discomfort for subjects, arising from the test product. Acceptable risk differs depending on the condition for which a product is being tested. A product for sore throat, for example, will be expected to have a low incidence of side effects. However, unpleasant side effects may be an acceptable risk when testing a promising treatment for a life-threatening illness.
Disease
Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the rubella (German measles) virus.
Aerosol
"1. In general, a fine mist or spray which contains minute particles.
Vaccine
A preparation, often of living weakened microorganisms, that is introduced into the body to produce immunity to a specific disease by causing the formation of antibodies.
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-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.
PREVIOUS AND NEXT TERMS--------------------------------------
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
Biosafety level 3. A level of biosafety considered appropriate for agents that may be transmitted by the respiratory route which can cause serious infection.
BSL-4
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. "
Buccal mucosa
The inner lining of the cheeks and lips.
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.
Diagnosis
The determination of the presence of a specific disease or infection, usually accomplished by evaluating clinical symptoms and laboratory tests.
Virus
Ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein.
Risk
In clinical trials, the probability of harm or discomfort for subjects, arising from the test product. Acceptable risk differs depending on the condition for which a product is being tested. A product for sore throat, for example, will be expected to have a low incidence of side effects. However, unpleasant side effects may be an acceptable risk when testing a promising treatment for a life-threatening illness.
Disease
Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the rubella (German measles) virus.
Aerosol
"1. In general, a fine mist or spray which contains minute particles.
Vaccine
A preparation, often of living weakened microorganisms, that is introduced into the body to produce immunity to a specific disease by causing the formation of antibodies.
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-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.
PREVIOUS AND NEXT TERMS--------------------------------------
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
Biosafety level 3. A level of biosafety considered appropriate for agents that may be transmitted by the respiratory route which can cause serious infection.
BSL-4
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. "
Buccal mucosa
The inner lining of the cheeks and lips.
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This dictionary contains 19186 terms.
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