Category: H

  • Heterologous tumor

    A tumor in which the tissue differs from that in which it is growing.  

  • Hematogenous tuberculosis

    The spread of tuberculosis from a primary site to another site via the bloodstream. Tuberculosis disseminated through the bloodstream.  

  • Hysterical tremor

    A fine tremor occurring in hysteria. It may be limited to one extremity or generalized.  

  • Homotopic transplantation

    Transplantation in which the transplant occupies the same location in the host as it had in the donor.  

  • Heterotopic transplantation

    Transplantation in which the transplant is placed in a different location in the host than it had been in the donor.  

  • Heteroplastic transplantation

    Transplantation of a part from one individual to another individual of the same or a closely related species.  

  • Heart transplantation

    Surgical transplantation of the heart from a patient who died of trauma or a disease that left the heart intact and capable of functioning in the recipient. The only absolute contraindications are uncontrollable cancer or infection, irreversible pulmonary vascular disease, or a separate life-threatening disease; in general, however, patients over 65 years, those with severe…

  • Hair transplantation

    A surgical procedure for placing plugs of skin containing hair follicles from one body site to another. This time consuming technique is used to treat baldness.  

  • Habit training

    The development in young children of specific behavior patterns for performing basic activities such as eating, dressing, using the toilet, and sleeping.  

  • Head traction

    Traction applied to the head as in the treatment of injuries to cervical vertebrae. A pulling force applied to the head, commonly used in treating injuries of the neck.