Category: D

  • Daily wake up

    The interruption of sedative-drug infusions in mechanically ventilated patients to permit assessments of mental status and to facilitate the discontinuation of life support.  

  • Dactylolysis

    Spontaneous amputation of fingers or toes, seen in leprosy, ainhum, and produced in utero.  

  • Dactylogryposis

    Permanent contraction of the fingers.  

  • Dactyl

    A finger or toe; a digit of the hand or foot.  

  • Dacryocystectomy

    Excision of membranes of the lacrimal sac.  

  • Distention cyst

    A cyst formed in a natural enclosed cavity, such as a follicular cyst of the ovary.  

  • Dentigerous cyst

    A fluid-filled cyst usually surrounding the crown of an unerupted tooth; often involves incomplete enamel formation. A fluid-filled cyst, manifested as a lump or swelling, can develop around the crown of a tooth that fails to erupt. This particular type of cyst has the potential to cause swelling or resorption (loss of tissue) of the…

  • Daughter cyst

    A cyst growing out of the walls of another cyst.  

  • Dental cuticle

    The glycosaminoglycans layer produced by attachment epithelium on the cementum of the tooth root. It is continuous with and identical in origin and function to enamel cuticle, which is present on the enamel crown.  

  • Dye-dilution curve

    A graph of the disappearance rate of a known amount of injected dye from the circulation; used to measure cardiac function.