Category: P

  • Persistent vegetative state

    A condition in which someone is alive and breathes, but shows no brain activity, and will never recover consciousness. PVS may occur in patients with severe brain damage from hypoxia or injury. Patients do not display any awareness of their surroundings, and are unable to communicate. Sleep alternates with apparent wakefulness, when some reflexes may…

  • Persist

    To continue for some time.  

  • Persecution

    The act of being made to suffer.  

  • Persecute

    To make someone suffer all the time.  

  • Peroperative

    Taking place during a surgical operation.  

  • Peroneal muscle

    One of three muscles, the peroneus brevis, longus and tertius, on the outside of the lower leg which make the leg turn outwards.  

  • Peroneal

    Referring to the outside of the leg. Pertaining to the muscles over the fibula. Relating to or supplying the outer (fibular) side of the leg. The name given to structures, such as the muscles, and nerves, on the outer or fibular side of the leg.  

  • Peromelia

    A congenital condition in which the limbs have developed unusually.  

  • Pernicious anaemia

    A disease where an inability to absorb vitamin B12 prevents the production of red blood cells and damages the spinal cord. An autoimmune disease in which sensitized lymphocytes destroy the parietal cells of the stomach. These cells normally produce intrinsic factor, which is the carrier protein for vitamin B12, that permits its absorption in the…

  • Permeable membrane

    A membrane which allows some substances to pass through it. A membrane that permits passage of water and certain substances in solution.