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| This glossary contains: 19186 medical terms |
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ARD
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ARDAcronym that stands for a disorder known as Adult Respiratory Distress or Acute Respiratory Distress. Also referred to as ARDS (ARD Syndrome).
RELATED TERMS--------------------------------------
Acute
1. Of short course. 2. Severe, but of a short duration. Not chronic.
ARDS
Acute Respiratory Distress Syndrome. A fulminant lung condition in which trauma to the lungs leads to inflammation of the lungs, accumulation of fluid in the alveolar air sacs, low blood oxygen, and respiratory distress.
SIMILAR TERMS--------------------------------------
PREVIOUS AND NEXT TERMS--------------------------------------
Archaeogenetics
The study of the past using the techniques of molecular genetics. The application of genetics to archeology.
Archaeology
The scientific study of the material remains of past peoples. In archaeology today, a range of biological techniques, including DNA analysis, enter into what has been termed bioarchaeology.
Arcuate neuron
A neuron in the arcuate nucleus of the brain. See: Arcuate nucleus.
Arcuate nucleus
A collection of neurons (nerve cells) in the hypothalamus of the brain. Some arcuate neurons contain dopamine and act to inhibit the release of the hormone prolactin by the pituitary gland. Other arcuate neurons contain a substance called neuropeptide Y (NPY) and influence hunger. When activated, these neurons can produce remarkable increases in eating that result in obesity. These neurons may be regulated by glucose, insulin, and the hormone leptin. By monitoring the blood levels of these substances, arcuate neurons are kept informed of whether or not the body has sufficient calories and nutrients so that it can adjust feeding accordingly.
Arcus senilis
A cloudy opaque arc or circle around the edge of the eye, often seen in the eye of the elderly.
ARD
ARDS
Acute Respiratory Distress Syndrome. A fulminant lung condition in which trauma to the lungs leads to inflammation of the lungs, accumulation of fluid in the alveolar air sacs, low blood oxygen, and respiratory distress.
Areflexia
Absence of neurologic reflexes such as the knee jerk reaction.
Arenaviridae
See: Arenavirus.
Arenavirus
One of a family of viruses called Arenaviridae whose members are generally associated with diseases transmitted by rodents to humans. Each arenavirus is usually associated with a particular rodent host species in which it is maintained. Arenavirus infections are relatively common in humans in some areas of the world and can cause severe illnesses.
Arg
Arginine. See also: Amino acid symbols.
RELATED TERMS--------------------------------------
Acute
1. Of short course. 2. Severe, but of a short duration. Not chronic.
ARDS
Acute Respiratory Distress Syndrome. A fulminant lung condition in which trauma to the lungs leads to inflammation of the lungs, accumulation of fluid in the alveolar air sacs, low blood oxygen, and respiratory distress.
SIMILAR TERMS--------------------------------------
PREVIOUS AND NEXT TERMS--------------------------------------
Archaeogenetics
The study of the past using the techniques of molecular genetics. The application of genetics to archeology.
Archaeology
The scientific study of the material remains of past peoples. In archaeology today, a range of biological techniques, including DNA analysis, enter into what has been termed bioarchaeology.
Arcuate neuron
A neuron in the arcuate nucleus of the brain. See: Arcuate nucleus.
Arcuate nucleus
A collection of neurons (nerve cells) in the hypothalamus of the brain. Some arcuate neurons contain dopamine and act to inhibit the release of the hormone prolactin by the pituitary gland. Other arcuate neurons contain a substance called neuropeptide Y (NPY) and influence hunger. When activated, these neurons can produce remarkable increases in eating that result in obesity. These neurons may be regulated by glucose, insulin, and the hormone leptin. By monitoring the blood levels of these substances, arcuate neurons are kept informed of whether or not the body has sufficient calories and nutrients so that it can adjust feeding accordingly.
Arcus senilis
A cloudy opaque arc or circle around the edge of the eye, often seen in the eye of the elderly.
ARD
ARDS
Acute Respiratory Distress Syndrome. A fulminant lung condition in which trauma to the lungs leads to inflammation of the lungs, accumulation of fluid in the alveolar air sacs, low blood oxygen, and respiratory distress.
Areflexia
Absence of neurologic reflexes such as the knee jerk reaction.
Arenaviridae
See: Arenavirus.
Arenavirus
One of a family of viruses called Arenaviridae whose members are generally associated with diseases transmitted by rodents to humans. Each arenavirus is usually associated with a particular rodent host species in which it is maintained. Arenavirus infections are relatively common in humans in some areas of the world and can cause severe illnesses.
Arg
Arginine. See also: Amino acid symbols.
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This dictionary contains 19186 terms.
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