Author: Glossary

  • Extrafusal fibers

    The muscle fibers surrounding a muscle spindle.  

  • Extractive

    An instrument for removing foreign bodies. Varieties include esophageal, throat, bronchial, and tissue extractors.  

  • Extracapsular extraction

    A surgical technique for cataract removal. The nucleus, cortex, and anterior capsule are removed; the posterior capsule is left intact. This is often done by phacoemulsification under local anesthesia using a microscope.  

  • Solid extract

    An extract made by evaporating the fluid part of a solution.  

  • Soft extract

    An extract with the consistency of honey.  

  • Red yeast rice extract

    A dietary herbal supplement derived from the mold Monascus purpureus. Red yeast rice extract is promoted for its effect in lowering serum cholesterol levels. An herbal remedy used to lower serum cholesterol and triglyceride levels. It contains 3-hydroxy-3-methylglutaryl coenzyme A (HMGCoA) reductase inhibitors, is similar to the prescription drug lovastatin, and has similar effects and…

  • Liver extract

    A dry brown powder obtained from mammalian livers that was once used as a crude source of vitamin B12 and other vitamins.  

  • Compound extract

    An extract prepared from more than one drug or substance.  

  • Extracorticospinal

    Outside the corticospinal tract of the central nervous system.  

  • Extracorporeal shock-wave lithotriptor

    A device used to fragment calcified objects within the body, such as kidney stones. After the patient is given analgesics and anesthetic drugs, electrically generated shock waves are focused on the object in an attempt to disrupt it. In the case of kidney stones and gallstones, the stone fragments may subsequently pass either into the…