Category: P

  • Patellapexy

    Surgical fixation of the kneecap. Fixation of the patella to the lower end of the femur to stabilize the joint.  

  • Parkinson facies

    Expressionless, masklike facial feature associated with Parkinson’s disease.  

  • Parasitic ovum

    The eggs of organisms, such as worms, that live within a host.  

  • Paracortex

    The area of the lymph node that is rich in T-cells.  

  • Pancreatography

    Visualization of the pancreas using endoscopy and x-rays after injection of a radiopaque contrast medium into the duct of Wirsung. Endoscopic and radiological examination of the pancreas after injection of a radiopaque contrast medium through the duct of Wirsung. Visualization of the pancreas or its ducts can be achieved through various imaging techniques such as…

  • Pancreatic islets

    Endocrine cells of the pancreas.  

  • Pancolectomy

    Surgical removal of the entire colon.  

  • Palpebra

    Eyelid; may be further defined as superior or inferior to denote the upper or lower lid.  

  • Palmar grasp reflex

    A primitive reflex present from birth to three months of age, triggered by placing a finger across the infant’s palm and eliciting a strong grip around the finger. A normal newborn reflex in which the baby’s fingers spontaneously curl around any object placed within them and do not spontaneously let go. This reflex usually diminishes…

  • Pacing catheter

    A cardiac catheter with electrodes at the end that is inserted into the patient’s right ventricle to artificially regulate heart rhythm. A catheter inserted most commonly into the right side of the heart via the brachial, femoral, internal jugular, or subclavian vein for temporary pacing of the heart. The pacing wires or leads provide the…