• Plexus anaesthesia

    Regional anaesthesia of a neuroplexus prior to an operation.
  • Pneumatic tourniquet

    Tourniquet created with a cushion of air to control the draining of blood.
  • Pneumologist

    Specialist in lung disease.
  • Polyp

    Benign tumour on a mucous membrane.
  • Portal triad

    Each of the 8 liver segments hat its own bile ducts, branches of the portal vein and liver arteries. The three structures are known as portal triads.
  • Postoperative haemorrhaging

    Bleeding after a surgical procedure. When the wound starts to bleed again after the operation is over.
  • Potency

    The ability to have an erection.
  • Pre-eclampsia

    Complications during pregnancy involving high blood pressure and significant excretion of protein through the urine.
  • Preparation

    Peeling away of tissue.
  • Pressure ulcer

    An ulcer caused by pressure, a wound in the skin that is difficult to heal.
  • Proctoscopy

    Examination of the rectum using an endoscope.