Glossary

Author: Glossary

  • Periomphalic

    Located around or near the umbilicus.  

  • Period of reactivity

    In obstetrics, an initial episode of activity, alertness, and responsiveness to interaction, characteristic of the physiological and social responses of newborns to stimuli. The first period of reactivity begins with birth, lasts approx. 30 min, and ends when the infant falls into a deep sleep. Common assessment findings include transient tachypnea, nasal flaring, sternal retraction,…

  • Periodoscope

    A table or dial for the calculation of the expected date of delivery.  

  • Periodontosis

    Any degenerative disease of the periodontal tissues.  

  • Periodontoclasia

    A condition characterized by inflammation accompanied by degenerative and retrogressive changes in the periodontium.  

  • Moderate periodontitis

    Periodontitis in which moderate bone loss and pocket formation are accompanied by abnormal tooth mobility.  

  • Early periodontitis

    Periodontitis in which, despite mild-to-moderate pocket formation and some bone loss, there is no evidence of abnormal tooth movement.  

  • Apical periodontitis

    Periodontitis of the periapical region usually leading to formation of periapical abscess.  

  • Periodic table

    A chart with the chemical elements arranged by their atomic numbers. A structured diagram that organizes elements in both vertical and horizontal groups, known as a periodic table. The vertical grouping illustrates elements sharing similar chemical properties, whereas the horizontal grouping categorizes elements based on the number of electron shells surrounding the atomic nucleus, despite…

  • Periodic leg movements in sleep

    Jerking or twitching of the toes, ankles, knees, or hips during sleep.