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Imaging A descriptive term for the incomplete filling and parallel spiculation of plical folds seen in radiocontrast studies of the small intestine—which is most striking in the jejunum, given the prominence of plical folds—which corresponds to a thickening of the wall by either intramural haemorrhage or haematoma, related to anticoagulants, blood dyscrasia, trauma, Meckel’s diverticulum, endometriosis, or infiltration of the intestinal wall, as in lymphoma
Sports medicine Body-building noun A large amount of performance-enhancing drugs (anabolic steroids) verb To ingest or inject a large amount of anabolic steroids to increase one’s muscle mass
stack(stăk) [ME. stak]
1. To place objects directly on top of others.
2. To perform a procedure immediately after a preceding one, without interruption or pause.
To build up porcelain in the shape of a tooth in the fabrication of a tooth crown.
n a set of metal strips that is inserted into ultrasonic and sonic instruments. A stack converts magnetic fields into vibrations that move the tip of the instrument.