Crush injury
Crush injury: An injury that occurs because of pressure from a heavy object onto a body part. A crush injury may also arise from squeezing of a body part between two objects. Depending upon their severity, crush injuries can be complicated by bleeding, bruising, broken bones, open wounds, poor circulation, or breakdown of muscle (rhabdomyolysis).
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- Crutch
Crutch: A wooden or metal vertical prop that helps support a disabled person while he or she is walking. Crutches extend from the walking surface to either the armpit or the arm. A typical hardwood armpit crutch has a 20-inch length of 1″x1″ wood at the bottom to which are attached 2 other lengths of […]
- Cry for help
Cry for help: An expression of suicidal intent in the hope of receiving help and being rescued. A cry for help may take many different forms such as a telephone call, a message left on an answering phone, a note left in a conspicuous place, or an e-mail message. It may also be a symbolic […]
- Cryo-electron microscopy
Cryo-electron microscopy: An electron microscopic technique that involves freezing the biological sample in order to view the sample with the least possible distortion and the fewest possible artifacts. Abbreviated as cryo-EM. In cryo-EM, the freezing of the sample is done in ethane slush to produce vitreous, or non-crystalline, ice. The frozen sample grid is then […]
- Cryoglobulin
Cryoglobulin: An abnormal blood protein that has the unusual properties of precipitating from the blood serum when it is chilled (hence the “cryo-“) and redissolving when it is rewarmed. Cryoglobulins are gamma globulins with a molecular weight of approximately 200,000. Cryoglobulins can cause problems by causing the blood to be abnormally “thick” which increases the […]
- Cryoglobulinemia
Cryoglobulinemia: The presence in blood of abnormal proteins called cryoglobulins that have the unusual property of precipitating from the blood serum when it is chilled and redissolving upon rewarming. Cryoglobulins can increase the risk of blood clots forming in the brain (stroke), eyes, and heart. Cryoglobulins can also cause inflammation of blood vessels (vasculitis), which […]