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| This glossary contains: 19186 medical terms |
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Avery, MacLeod, and McCarty
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Avery, MacLeod, and McCarty"Authors of a scientific paper entitled ""Studies on the chemical nature of the substance inducing transformation of pneumococcal types"" "
RELATED TERMS--------------------------------------
Transformation
A genetic process resulting in a heritable alteration of the properties of a cell. In the case of cultured cells, transformation often refers to the acquisition of new properties, such as unlimited culture lifespan.
SIMILAR TERMS--------------------------------------
Avera Gregory Healthcare Center
Avera Gregory Healthcare Center is a hospital in Gregory, South Dakota (USA).
Avera Health
Avera Health is a hospital in South Dakota (USA).
Avera Holy Family Health
Avera Holy Family Health is a hospital in Estherville, Iowa (USA).
Avera McKennan Hospital and University Health Center
Avera McKennan Hospital and University Health Center is a hospital in Sioux Falls, South Dakota (USA).
Avera Queen of Peace
Avera Queen of Peace is a hospital in Mitchell, South Dakota (USA).
Avera Saint Benedict Health Center
Avera Saint Benedict Health Center is a hospital in Parkston, South Dakota (USA).
Avera St, Luke's
Avera St, Luke's is a hospital in Aberdeen, South Dakota (USA).
Avera Weskota Memorial Medical Center
Avera Weskota Memorial Medical Center is a hospital in Wessington Spring, South Dakota (USA).
Avery
See: Avery, Oswald Theodore
PREVIOUS AND NEXT TERMS--------------------------------------
AV (atrioventricular)
AV is the standard medical abbreviation for atrioventricular, a combination that means pertaining to the atria (the upper chambers of the heart) and the ventricles (the lower chambers of the heart). For example, the AV node is an electrical relay station between the atria and the ventricles. Electrical signals from the atria must pass through the AV node to reach the ventricles. The AV node is a major element in the cardiac conduction system that generates electrical impulses within the heart, conducts them throughout the muscle of the heart, stimulates the heart to contract and pump blood, and so controls the heart rate.
AV node
An electrical relay station between the atria (the upper) and the ventricles (the lower chambers of the heart). Electrical signals from the atria must pass through the AV node to reach the ventricles. The AV node is one of the major elements in the cardiac conduction system, the system that controls the heart rate. This stunningly designed system generates electrical impulses and conducts them throughout the muscle of the heart, stimulating the heart to contract and pump blood.
Avascular necrosis of the femoral head
See Legg-Calv‚-Perthes disease.
Avastin
The first drug in a new class designed to treat cancer by compromising its blood supply. Avastin (bevacizumab) prevents angiogenesis, the formation of new blood vessels that supply the tumor with blood, oxygen and other nutrients and allow the tumor to grow and metastasize to other sites in the body. Avastin is a monoclonal antibody, a type of genetically engineered protein, that binds to another protein called vascular endothelial growth factor (VEGF) which spurs the growth of blood vessels. Blocking VEGF is thought to be the mechanism by which Avastin cuts off the supply of vessels that spring up to feed a tumor.
Avery
See: Avery, Oswald Theodore
Avery, MacLeod, and McCarty
Avian flu
See: Avian influenza.
Avian influenza
Also called fowl plague, avian flu, and bird flu. A highly contagious viral disease with up to 100% mortality in domestic fowl. Caused by influenza A virus subtypes H5 and H7. All types of birds are susceptible to the virus but outbreaks occur most often in chickens and turkeys. The infection may be brought by migratory wild birds which can carry the virus but show no signs of disease. Humans are only rarely affected.
Avian tuberculosis
See: Tuberculosis, avian.
AVM
An AVM (arteriovenous malformation) is a congenital disorder (one present at birth) of blood vessels in the brain, brainstem, or spinal cord that is characterized by a complex, tangled web of abnormal arteries and veins connected by one or more fistulas (abnormal communications).The AVM has no capillary bed of its own and the fistulas in the AVM permit high-speed, high-flow shunting of blood from the arterial to the venous side of the circulation. This shunting causes low blood pressure (hypotension) in the arterial vessels feeding the AVM and neighboring areas of the brain that they normally supply with blood.AVMs typically cause problems before the age of 40. The most common symptoms of AVM include hemorrhaging (bleeding), seizures, headaches, and neurological problems such as paralysis or loss of speech, memory, or vision. The frequency of hemorrhage in various series ranges from 30-82%. AVM rupture accounts for 2% of all strokes.
AVM (arteriovenous malformation)
An arteriovenous malformation (AVM) is a congenital disorder (one present at birth) of blood vessels in the brain, brainstem, or spinal cord that is characterized by a complex, tangled web of abnormal arteries and veins connected by one or more fistulas (abnormal communications).
RELATED TERMS--------------------------------------
Transformation
A genetic process resulting in a heritable alteration of the properties of a cell. In the case of cultured cells, transformation often refers to the acquisition of new properties, such as unlimited culture lifespan.
SIMILAR TERMS--------------------------------------
Avera Gregory Healthcare Center
Avera Gregory Healthcare Center is a hospital in Gregory, South Dakota (USA).
Avera Health
Avera Health is a hospital in South Dakota (USA).
Avera Holy Family Health
Avera Holy Family Health is a hospital in Estherville, Iowa (USA).
Avera McKennan Hospital and University Health Center
Avera McKennan Hospital and University Health Center is a hospital in Sioux Falls, South Dakota (USA).
Avera Queen of Peace
Avera Queen of Peace is a hospital in Mitchell, South Dakota (USA).
Avera Saint Benedict Health Center
Avera Saint Benedict Health Center is a hospital in Parkston, South Dakota (USA).
Avera St, Luke's
Avera St, Luke's is a hospital in Aberdeen, South Dakota (USA).
Avera Weskota Memorial Medical Center
Avera Weskota Memorial Medical Center is a hospital in Wessington Spring, South Dakota (USA).
Avery
See: Avery, Oswald Theodore
PREVIOUS AND NEXT TERMS--------------------------------------
AV (atrioventricular)
AV is the standard medical abbreviation for atrioventricular, a combination that means pertaining to the atria (the upper chambers of the heart) and the ventricles (the lower chambers of the heart). For example, the AV node is an electrical relay station between the atria and the ventricles. Electrical signals from the atria must pass through the AV node to reach the ventricles. The AV node is a major element in the cardiac conduction system that generates electrical impulses within the heart, conducts them throughout the muscle of the heart, stimulates the heart to contract and pump blood, and so controls the heart rate.
AV node
An electrical relay station between the atria (the upper) and the ventricles (the lower chambers of the heart). Electrical signals from the atria must pass through the AV node to reach the ventricles. The AV node is one of the major elements in the cardiac conduction system, the system that controls the heart rate. This stunningly designed system generates electrical impulses and conducts them throughout the muscle of the heart, stimulating the heart to contract and pump blood.
Avascular necrosis of the femoral head
See Legg-Calv‚-Perthes disease.
Avastin
The first drug in a new class designed to treat cancer by compromising its blood supply. Avastin (bevacizumab) prevents angiogenesis, the formation of new blood vessels that supply the tumor with blood, oxygen and other nutrients and allow the tumor to grow and metastasize to other sites in the body. Avastin is a monoclonal antibody, a type of genetically engineered protein, that binds to another protein called vascular endothelial growth factor (VEGF) which spurs the growth of blood vessels. Blocking VEGF is thought to be the mechanism by which Avastin cuts off the supply of vessels that spring up to feed a tumor.
Avery
See: Avery, Oswald Theodore
Avery, MacLeod, and McCarty
Avian flu
See: Avian influenza.
Avian influenza
Also called fowl plague, avian flu, and bird flu. A highly contagious viral disease with up to 100% mortality in domestic fowl. Caused by influenza A virus subtypes H5 and H7. All types of birds are susceptible to the virus but outbreaks occur most often in chickens and turkeys. The infection may be brought by migratory wild birds which can carry the virus but show no signs of disease. Humans are only rarely affected.
Avian tuberculosis
See: Tuberculosis, avian.
AVM
An AVM (arteriovenous malformation) is a congenital disorder (one present at birth) of blood vessels in the brain, brainstem, or spinal cord that is characterized by a complex, tangled web of abnormal arteries and veins connected by one or more fistulas (abnormal communications).The AVM has no capillary bed of its own and the fistulas in the AVM permit high-speed, high-flow shunting of blood from the arterial to the venous side of the circulation. This shunting causes low blood pressure (hypotension) in the arterial vessels feeding the AVM and neighboring areas of the brain that they normally supply with blood.AVMs typically cause problems before the age of 40. The most common symptoms of AVM include hemorrhaging (bleeding), seizures, headaches, and neurological problems such as paralysis or loss of speech, memory, or vision. The frequency of hemorrhage in various series ranges from 30-82%. AVM rupture accounts for 2% of all strokes.
AVM (arteriovenous malformation)
An arteriovenous malformation (AVM) is a congenital disorder (one present at birth) of blood vessels in the brain, brainstem, or spinal cord that is characterized by a complex, tangled web of abnormal arteries and veins connected by one or more fistulas (abnormal communications).
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This dictionary contains 19186 terms.
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