Category: T

  • Thrombotic microangiopathy

    The formation of blood clots in small blood vessels, such as occurs in thrombotic thrombocytopenic purpura and hemolytic uremic syndrome.  

  • Tuberculous meningitis

    Meningitis resulting from the spread of Mycobacterium tuberculosis to the central nervous system, usually from a primary focus of infection in the lungs.  

  • Traumatic meningitis

    Meningitis resulting from trauma to the meninges.  

  • Thyrohyoid membrane

    The membrane joining the hyoid bone and the thyroid cartilage.  

  • Toxic megacolon

    Marked enlargement of the colon, especially the transverse colon. Clinically, tachycardia, fever, and leukocytosis occur. There may be abdominal tenderness, a palpable abdominal mass, confusion, cramping, and change in number of bowel movements per day.  

  • Transport medium

    A nutrient solution used to maintain the freshness or viability of patient specimens as they are being carried to the laboratory for culture.  

  • Territorial matrix

    That component of cartilage immediately surrounding clusters of chondrocytes. It has a rich concentration of glycosaminoglycans, and stains darkly (it is basophilic).  

  • Treatment matching

    Using patient profiles and preferences to individualize and optimize therapeutic regimens for patients (e.g., in the management of psychiatric or substance abuse disorders).  

  • Tooth malformation

    Abnormalities of size and shape that usually occur during the morpho differentiation stage of tooth formation. Incomplete matrix formation or mineralization will also result in defective teeth that may or may not be abnormal in shape initially.  

  • Triple quartan malaria

    Malaria in which three concurrent cycles result in fever occurring every day.