Atelectasis, secondary
Atelectasis, secondary: Partial or complete collapse of a previously expanded lung. Secondary atelectasis may occur when full chest expansion is difficult, such as after chest surgery.
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- Athelia
Athelia: Absence of the nipple. Athelia is a rare condition but it is common in certain conditions. Athelia tends to occurs on one side (unilaterally) in children with the Poland sequence and on both sides (bilaterally) in certain types of ectodermal dysplasia. The Poland sequence (named for Alfred Poland, a celebrated 19th-century British surgeon and […]
- Atherogenesis
Atherogenesis: The process of forming atheromas, plaques in the inner lining (the intima) of arteries.
- Atherectomy
Atherectomy: A procedure to remove plaque (atheroma) from the inside of a blood vessel. Atherectomy is done most often in major arteries, such as the coronary, carotid, and vertebral arteries, that have experienced the occlusive effects of atherosclerosis. Atherectomy may be accomplished by various means, including angioplasty, laser surgery, conventional surgical incision, or use of […]
- Atheroma
Atheroma: A fatty deposit in the inner lining (intima) of an artery, resulting from atherosclerosis. Also called an atherosclerotic plaque, an arterial plaque, or a plaque.
- Atherosclerotic
Atherosclerotic: Pertaining to atherosclerosis, the process of progressive thickening and hardening of the walls of arteries from fat deposits on their inner lining. Atherosclerotic heart disease is the leading cause of death in the US.