Category: A
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Atretic ovarian follicles
An involuted or closed ovarian follicle.
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Atonic
Lacking normal tone or strength. Insufficient muscular tone. Referring to lack of muscle tone or tension.
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Atherothrombosis
Medical condition characterized by an unpredictable, sudden disruption (rupture or erosion/fissure) of an atherosclerotic plaque, which leads to platelet activation and thrombus formation.
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Atheroma
A deposit or degenerative accumulation of lipid-containing plaques on the innermost layer of the wall of an artery. The fatty deposit composed of lipids, complex carbohydrates and fibrous tissue which forms on the inner wall of blood vessels in atherosclerosis. Fatty deposit, also called arterial plaque, which is laid down in the inner lining of…
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Atherogenesis
The formation of fatty deposits (atheromas) in arteries, on the walls of the arteries, as in atherosclerosis. Formation of atheromata in the walls of arteries.
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Atherogenic
Having the capacity to start or accelerate the process of atherogenesis. Referring to something which may produce atheroma.
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Athlete’s foot
A contagious skin disease caused by parasitic fungi affecting the foot, hands, causing itching, blisters and cracking. Also called dermatophytosis. Fungal infections on the feet, often smelly. A skin disease that can spread from the feet to other parts of the body and is caused by fungus. Signs are dry, scaly skin; itching; inflammation; and…
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ATF-2
Activating transcription factor 2.
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Ataxia
(Loss of co-ordination) results from the degeneration of nerve tissue in the spinal cord and of nerves that control muscle movement in the arms and legs. Loss of muscle coordination; irregularity of muscle action. An uncoordinated gait associated with pathology of the central nervous system. Muscular uncoordination, esp. of the arms and legs. Failure of…
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Asthma
A chronic illness involving the respiratory system in which the airway occasionally constricts, becomes inflamed, and is lined with excessive amounts of mucus, often in response to one or more triggers. Constriction of the airway passages. Chronic inflammatory disease of the airways which renders them prone to narrow too much. The symptoms include paroxysmal coughing,…