Category: P

  • Phlyctenular ophthalmia

    Vesicular formations on the epithelium of the conjunctiva or cornea.  

  • Pyloric opening

    The opening between the stomach and duodenum.  

  • Peanut oil

    A refined oil obtained from the seed kernels of one or more of the cultivated varieties of Arachis hypogaea; may be used as a solvent for some medicines that are injected intramuscularly.  

  • Phantom odontalgia

    Pain felt in the area from which a tooth has been extracted.  

  • Persistent occiput posterior

    A fetal malposition; a cephalic presentation with the occiput directed toward the mother’s sacrum. Labor often is longer and the woman complains of back pain.  

  • Postrotatory nystagmus

    A form of vestibular nystagmus that occurs when the body is rotated and then the rotation is stopped. If, while sitting upright in a chair that can be swiveled, the body is rapidly rotated to the right, the nystagmus during rotation has its slow component to the left. When the rotation stops, the slow component…

  • Pendular nystagmus

    Nystagmus characterized by movement that is approx, equal in both directions. It is usually seen in those who have bilateral congenital absence of central vision or who lost it prior to the age of 2 years.  

  • Partial parenteral nutrition

    Intravenous administration of nutrients to patients whose nutritional requirements cannot be fully met via the enteral route. An amino acid- dextrose solution (usually 10%) and a lipid emulsion (10% to 20%) are delivered into a peripheral vein through a cannula or catheter.  

  • Partial enteral nutrition

    Supplemental tube feeding or oral feeding of foods that are rich in protein, calories, and other nutrients to patients receiving partial parenteral nutrition.  

  • Public health nurse

    Community health nurse with primary responsibility for the health concerns of large groups of individuals within a community.