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| This glossary contains: 19186 medical terms |
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Addiction
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AddictionStrong dependence or habitual use of a substance or practice, despite the negative consequences of its use.
RELATED TERMS--------------------------------------
Dependence
A state of absolute need, both physical and psychological.
SIMILAR TERMS--------------------------------------
Addiction treatment
A set of medical actions aiming to reduce and reverse addiction.
Addiction, computer
See: Computer addiction.
Addictiveness
A substance's power to make users dependent (addicted) to its further use. Substances are less or more addictive depending on their chemical composition and their effects on the body and mind.
Addison's disease
Addison's disease (also known as chronic adrenal insufficiency, or hypocortisolism) is a rare endocrine disorder. It is a disease that results from a decrease in corticosteroid secretion from the adrenal gland.
Addisonian anemia
A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not produce the substance in the stomach that allows the body to absorb vitamin B12. This substance is called intrinsic factor (IF). Addisonian anemia, also called pernicious anemia (PA), is characterized by the presence in the blood of large, immature, nucleated cells (megaloblasts) that are forerunners of red blood cells. (Red blood cells, when mature, have no nucleus). It is thus a type of megaloblastic anemia.
Additive genetic effects
A mechanism of quantitative inheritance such that the combined effects of genetic alleles at two or more gene loci are equal to the sum of their individual effects.
PREVIOUS AND NEXT TERMS--------------------------------------
Acidosis
An abnormal condition in the body in which excessive acid lowers the pH of the blood and body tissues.
Acoustic
Having to do with sound and hearing.
Acromegaly
A condition that occurs when the pituitary gland produces too much growth hormone. In adults, this can cause overgrowth of bones that occurs in smaller bones, such as those in the jaw, hands and feet. In children or teenagers, this can cause giantism.
Actinic keratoses
Scaly, pink, gray or tan patches or bumps on the face or scalp, or on the back of the hands. Occur mostly on people who have light skin that has been damaged by the sun.
Acute
1. Of short course. 2. Severe, but of a short duration. Not chronic.
Addiction
Adenoids
Glandular tissue in the back of the throat that may swell, especially during childhood, obstruct breathing and speaking, and lead to ear infections.
Adenovirus
One of the viruses that cause the common cold.
ADH
Antidiuretic hormone. One of the hormones produced by the pituitary gland. A shortage of this hormone causes increased loss of body fluids through the kidneys.
Aerobic
Requiring the use of oxygen. Exercise that conditions the heart and lungs by increasing the efficiency of oxygen intake by the body.
Airway
The passage by which air enters and exits the lungs.
RELATED TERMS--------------------------------------
Dependence
A state of absolute need, both physical and psychological.
SIMILAR TERMS--------------------------------------
Addiction treatment
A set of medical actions aiming to reduce and reverse addiction.
Addiction, computer
See: Computer addiction.
Addictiveness
A substance's power to make users dependent (addicted) to its further use. Substances are less or more addictive depending on their chemical composition and their effects on the body and mind.
Addison's disease
Addison's disease (also known as chronic adrenal insufficiency, or hypocortisolism) is a rare endocrine disorder. It is a disease that results from a decrease in corticosteroid secretion from the adrenal gland.
Addisonian anemia
A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not produce the substance in the stomach that allows the body to absorb vitamin B12. This substance is called intrinsic factor (IF). Addisonian anemia, also called pernicious anemia (PA), is characterized by the presence in the blood of large, immature, nucleated cells (megaloblasts) that are forerunners of red blood cells. (Red blood cells, when mature, have no nucleus). It is thus a type of megaloblastic anemia.
Additive genetic effects
A mechanism of quantitative inheritance such that the combined effects of genetic alleles at two or more gene loci are equal to the sum of their individual effects.
PREVIOUS AND NEXT TERMS--------------------------------------
Acidosis
An abnormal condition in the body in which excessive acid lowers the pH of the blood and body tissues.
Acoustic
Having to do with sound and hearing.
Acromegaly
A condition that occurs when the pituitary gland produces too much growth hormone. In adults, this can cause overgrowth of bones that occurs in smaller bones, such as those in the jaw, hands and feet. In children or teenagers, this can cause giantism.
Actinic keratoses
Scaly, pink, gray or tan patches or bumps on the face or scalp, or on the back of the hands. Occur mostly on people who have light skin that has been damaged by the sun.
Acute
1. Of short course. 2. Severe, but of a short duration. Not chronic.
Addiction
Adenoids
Glandular tissue in the back of the throat that may swell, especially during childhood, obstruct breathing and speaking, and lead to ear infections.
Adenovirus
One of the viruses that cause the common cold.
ADH
Antidiuretic hormone. One of the hormones produced by the pituitary gland. A shortage of this hormone causes increased loss of body fluids through the kidneys.
Aerobic
Requiring the use of oxygen. Exercise that conditions the heart and lungs by increasing the efficiency of oxygen intake by the body.
Airway
The passage by which air enters and exits the lungs.
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This dictionary contains 19186 terms.
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