Fixation, external
Fixation, external: A procedure that stabilizes and joins the ends of fractured (broken) bones by a splint or cast.
External fixation is as opposed to internal fixation in which the ends of the fractured bone are joined by mechanical devices such as metal plates, pins, rods, wires or screws.
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- Fixation, internal
Fixation, internal: A surgical procedure that stabilizes and joins the ends of fractured (broken) bones by mechanical devices such as metal plates, pins, rods, wires or screws. Internal fixation is as opposed to external fixation of a fracture by a splint or cast.
- Fixative
Fixative: A medium such as a solution or spray that preserves specimens of tissues or cells. Most biopsies and specimens removed at surgery are fixed in a solution such as formalin (dilute formaldehyde) before further processing takes place. Other common ingredients used in fixatives are alcohol, mercuric chloride, potassium dichromate and sodium sulfate. “Fixative” is […]
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Flat affect: A severe reduction in emotional expressiveness. People with depression and schizophrenia often show flat affect. A person with schizophrenia may not show the signs of normal emotion, perhaps may speak in a monotonous voice, have diminished facial expressions, and appear extremely apathetic. Also known as blunted affect.
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