Category: P

  • Posterior longitudinal ligament

    The continuous narrow band of connective tissue lining the front inner surface of the entire vertebral canal. It attaches the vertebral bodies and intervertebral discs and forms the smooth front wall of the vertebral foramen.  

  • Popliteal arcuate ligament

    The ligament on the posterolateral side of the knee, extending from the head of the fibula to the joint capsule.  

  • Phrenicopericardial ligaments

    The connective tissue that attaches the bottom of the fibrous pericardial sac to the top of the central tendon of the diaphragm. When the diaphragm contracts and moves downward, the pericardial sac and the heart are pulled down and elongated.  

  • Phrenicocolic ligament

    A fold of peritoneum joining the left colic flexure of the colon to the adjacent costal portion of the diaphragm.  

  • Pectineal ligament

    A triangular ligament that extends from the medial end of the inguinal ligament along the pectineal line of the pubis.  

  • Patellar ligament

    The continuation of the tendon of the quadriceps femoris muscle; it encloses the patella and secures it in front of the knee joint.  

  • Palpebral ligament

    Two ligaments, medial and lateral, extending from tarsal plates of the eyelids to the frontal process of the maxilla and the zygomatic bone, respectively. The orbicularis oculi muscles attach to the medial palpebral ligaments.  

  • Prehospital trauma life support

    A continuing education course developed by the National Association of Emergency Medical Technicians, designed to improve the assessment and management of trauma patients in the field.  

  • Pathological leukocytosis

    Leukocytosis due to a disease such as an infection.  

  • Primary lesion

    The first lesion of a disease, especially used in referring to chancre of syphilis. Lesions that are a different color than the color of the skin, and/or lesions that are raised above the surface of the skin. The initial abnormality from which later stages of the disease evolve.