Collapsed lung
Collapsed lung: Failure of full expansion of a once fully expanded lung. Medically called atelectasis. The word comes from the Greek “a-” (without) + “telos” (complete) + “rectasis” (expansion) = without complete expansion.
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- Collarbone
Collarbone: A horizontal bone above the first rib that makes up the front part of the shoulder. Also known as the clavicle, the collarbone links the breastbone (sternum) with the scapula, a triangular bone in the back of the shoulder. One end of the collarbone connects to the sternum, forming one side of the sternoclavicular […]
- Collateral
Collateral: In anatomy, a collateral is a subordinate or accessory part. A collateral is also a side branch, as of a blood vessel or nerve. After a coronary artery occlusion, collaterals (that is, collateral vessels) often develop to shunt blood around the blockage. The word “collateral” comes from the Latin “col-“, with + “latus”, side […]
- Collateral knee ligament, lateral
Collateral knee ligament, lateral: A ligament that straps the outside of the knee joint and provides stability and strength to the knee joint. Abbreviated LCL.
- Collateral knee ligament, medial
Collateral knee ligament, medial: A ligament on the inner side of the knee joint. The medial collateral knee ligament adds stability and strength to the knee joint. Abbreviated MCL.
- Coloboma
Coloboma: A congenital malformation (birth defect) in which part of the eye does not form due to failure of fusion of an embryonic feature called the intraocular fissure. The resultant coloboma can be likened to a missing slice from a pie that may involve a number of different structures within the eye including the choroid, […]