Category: D

  • Deciduate

    To shed the decidua (lining) of the uterus.  

  • Decidua parietalis

    The endometrium during pregnancy except at the site of the implanted blastocyst.  

  • Decidua menstrualis

    The layer of the uterine endometrium that is shed during menstruation.  

  • Decidua capsularis

    The part of the decidua that surrounds the chorionic sac.  

  • Decidua basalis

    The part of the decidua that unites with the chorion to form the placenta. The segment of the uterine lining located directly beneath the implanted fertilized egg.  

  • Dechloridation

    Reduction in the amount of chlorides in the body by reduction of or withdrawal of salt in the diet.  

  • Decerebrate posture

    The rigid body position assumed by a patient who has lost cerebral control of spinal reflexes, usually as a result of an intracranial catastrophe. The patient’s arms are stiff and extended, the forearms are pronated, and the deep tendon reflexes exaggerated.  

  • Decennial

    Occurring every tenth year. Some booster vaccinations, e.g., against tetanus and diphtheria, were traditionally administered one decade after the prior dose.  

  • Deceleration injury

    An injury in which a moving body hits a stationary object, for example, when a falling patient lands on the ground.  

  • Deceleration

    A rapid decrease in velocity. A decline in the fetal heart rate, serving as a potential indication of insufficient blood circulation through the placenta.