Category: A

  • Refeeding syndrome

    The potentially fatal metabolic response of a starved individual to feeding, either enteral or parenteral. The correction of electrolyte imbalances is imperative before gradual refeeding to prevent hypophosphatemia, rhabdomyolysis, and other life-threatening complications,  

  • Refection

    Restoration after hunger or fatigue, especially with food or drink.  

  • Re-experience

    To recall an event, feeling, or thought; to have an intrusive memory or “flashback.” Frequent re-experiencing of traumatic events is one of the symptoms of posttraumatic stress disorder.  

  • Auditory receptor

    One of the hair cells in the organ of Corti in the cochlea of the ear.  

  • Antigen receptor

    Receptors, primarily on white blood cells, that bind with the epitope on foreign antigens, stimulating an immune response.  

  • Alpha-adrenergic receptor

    A site in autonomic nerve pathways responsive to the adrenergic agents norepinephrine and epinephrine; in general, alpha- 1 receptors produce excitatory responses and alpha-2 receptors produce inhibitory responses.  

  • Accessory receptor

    Proteins on the surface of T lymphocytes that enhance the response of the T-cell receptor to foreign antigens and stimulate signals from the receptor to the cytoplasm.  

  • Limiting reactant

    The substance with the lowest concentration in a chemical reaction. Its amount determines the amount of product made from that reaction.  

  • Actinic ray

    A solar ray capable of producing chemical changes.  

  • Attack rate

    The rate of occurrence of new cases of a disease.