Perception, auditory
The ability to identify, interpret, and attach meaning to sound.
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- Perchlorate
A chemical used as the primary ingredient of solid rocket propellant and in munitions beginning in the 1950s. Perchlorate is also used in the production of explosives and fireworks. It adds the blue color to firework displays. Perchlorate remains in use and is unregulated. For disposal, perchlorate has often been dissolved in water and poured […]
- Percutaneous
Through the skin. For example, a percutaneous biopsy is a biopsy that is obtained by putting a needle through the skin in order to obtain tissue within the body for examination.
- Percutaneous endoscopic gastrostomy (PEG)
A surgical procedure for placing a feeding tube without having to perform an open laparotomy (operation on the abdomen). The aim of PEG is to feed those who cannot swallow. PEG may be done by a surgeon, gastroenterologist (GI specialist). It is done in a. hospital or outpatient surgical facility. The patient is usually mildly […]
- Percutaneous endoscopic jejunostomy
(PEJ) A surgical procedure for placing a feeding tube into the jejunum (part of the small intestine) without having to perform an open laparotomy (an operation opening the abdomen). The aim of PEJ is to feed a patient who cannot swallow. PEJ may be done by a surgeon or gastroenterologist (GI specialist).
- Percutaneous nephrolithotripsy (PNL)
A technique for removing large and/or dense stones and staghorn stones. PNL is done via a port created by puncturing the kidney through the skin and enlarging the access port to 1 cm (about 3/8 inch) in diameter. There is no surgical incision. PNL is done under anesthesia and real-time live x-ray control (fluoroscopy). Because […]