Category: D

  • Dubnium

    A synthetic radioactive element, atomic number 105.  

  • Dubin-Johnson syndrome

    An inherited defect of bile metabolism that causes retention of conjugated bilirubin in hepatic cells. The patient is asymptomatic except for mild intermittent jaundice. No treatment is required. Dubin-Johnson syndrome is an inherited condition that results from an autosomal recessive genetic trait. The main feature of this disorder is persistent, mild jaundice, leading to yellowing…

  • Dubini disease

    Rapid rhythmic contractions of a group or groups of muscles.  

  • Dual reuptake inhibitor

    An antidepressant medication that works by blocking the reuptake of both serotonin and norepinephrine.  

  • Dual protection

    In obstetrics and reproductive health, a method of contraception, e.g., the use of condoms, that also provides some protection against sexually transmitted diseases.  

  • Dual eligibility

    In the U.S. health care system, meeting the qualifications that grant a person access to both Medicare and Medicaid insurance.  

  • Dry powder inhaler

    An inhaler that administers tiny particles of medication to the airways. Dry powder inhalers are used to treat diseases such as asthma and chronic obstructive lung disease.  

  • Dry measure

    A measure of volume for dry commodities.  

  • Optic nerve head drusen

    Calcified bodies located on the optic nerve head, which can give the mistaken appearance of optic nerve edema.  

  • Drusen

    Small, yellowish deposits found between the retinal pigment epithelium and Bruch’s membrane. In the realm of ophthalmology, there exists a condition characterized by the accumulation of clumps of pigment beneath the retina. This occurs when waste products accumulate at a faster rate than they can be eliminated. These pigment clumps, known as drusen, serve as…