Glossary

Author: Glossary

  • Pegylation

    The chemical linking of a drug (e.g., interferon) to polyethylene glycol. Pegylation increases the half-life of interferon.  

  • Peg tooth

    An abnormally shaped tooth of genetic origin. Usually noted as a maxillary lateral incisor with a smaller cone-shaped crown.  

  • Peganum harmala

    A weed, commonly known as Syrian rue and considered a livestock toxin, used for medicinal and spiritual purposes in many regions of the world. Extracts (tea) made from its seeds are consumed ceremonially in certain cultures. They contain beta-carboline alkaloids, a class of chemicals that increase levels of serotonin in the brain. Use of the…

  • Chemical peeling

    Agents applied to skin to produce a mild, superficial burn; done to remove wrinkles.  

  • Pedunculotomy

    Surgical section of a cerebral peduncle. It has been used to treat involuntary movement disorders.  

  • Thalamic peduncle

    One of four groups of fibers known as thalamic radiations that connect the thalamus with the cerebral cortex.  

  • Peduncle of superior olive

    A slender band of fibers extending from the superior olivary nucleus in the medulla to the nucleus of the abducens nerve.  

  • Superior cerebellar peduncle

    A band of fibers connecting the cerebellum with the midbrain.  

  • Pineal peduncle

    A band from either side of the pineal gland to the anterior pillars of the fornix at the back of the roof of the third ventricle. The pineal recess is a space nestled into the peduncle.  

  • Middle cerebellar peduncle

    A band of fibers connecting the cerebellum with the basilar portion of the pons.