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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «H»:

  1. Hornet sting Hornet sting
    Hornet sting: Stings from hornets and other large stinging insects such as bees, yellow jackets and wasps can trigger allergic reactions varying greatly in severity. Avoidance and prompt treatment are essential. In selected cases, allergy injection therapy is highly effective. (The three "A's&q...
  2. Horripilation Horripilation
    Horripilation: Better known as goose bumps, a temporary local change in the skin when it becomes rougher due to erection of little muscles, as from cold, fear, or excitement. The chain of events leading to this skin change starts with a stimulus such as cold or fear. That stimulus causes a nerv...
  3. Horror autotoxicus Horror autotoxicus
    Horror autotoxicus: Literally, the horror of self-toxicity. A term coined by the great German bacteriologist and immunologist Paul Ehrlich (1854-1915) to describe the body's innate aversion to immunological self-destruction. However, as we now know, the immune system can upon occasion attack itself ...
  4. Hospice Hospice
    Hospice: A program or facility that provides special care for people who are near the end of life and for their families. Hospice care can be provided at home, in a hospice or another freestanding facility, or within a hospital. See also: Hospice care....
  5. Hospice care Hospice care
    Hospice care: Care designed to give supportive care to people in the final phase of a terminal illness and focus on comfort and quality of life, rather than cure. The goal is to enable patients to be comfortable and free of pain, so that they live each day as fully as possible. Aggressive methods of...
  6. Hospital Hospital
    Hospital: It may seem unnecessary to define a "hospital" since everyone knows the nature of a hospital. A hospital began as a charitable institution for the needy, aged, infirm, or young. The word "hospital" comes from the Latin "hospes" which refers to either a visitor or the host who receives ...
  7. Hospital code Hospital code
    Hospital code: While there is no formal definition for a "Code," doctors often use the term as slang to refer to a patient in cardiopulmonary arrest , requiring a team of providers (sometimes called a "code team") to rush to the specific location and begin immediate resuscitative efforts. The t...
  8. Hospital gown Hospital gown
    Hospital gown: A short collarless gown that ties in the back, worn by patients being examined or treated in a doctor's office, clinic, or hospital. Hospital gowns are generally disliked by patients as skimpy, ugly, ill-fitting garments often leaves oneĀ“s backside ignominiously exposed....
  9. Hospital-acquired infection Hospital-acquired infection
    Hospital-acquired infection: An infection caught while hospitalized. The medical term for a hospital-acquired infection is "nosocomial." Most nosocomial infections are due to bacteria. Since antibiotics are frequently used within hospitals, the types of bacteria and their resistance to antibiotics i...
  10. Hospitalist Hospitalist
    Hospitalist: A hospital-based general physician. Hospitalists assume the care of hospitalized patients in the place of patients' primary care physician. The term "hospitalist" was first introduced in 1996 by RM Wachter and L Goldman to describe physicians who devote much of their profess...
  11. Host Host
    Host: 1. The organism from which a parasite obtains its nutrition and/or shelter. 2. An organism or cell culture in which a virus can replicate itself. 3. The transplant recipient of a tissue or organ graft. ...
  12. Hot flashes Hot flashes
    Hot flashes: A sudden wave of mild or intense body heat caused by rushes of hormonal changes resulting from decreased levels of estrogen. Hot flashes can occur at any time and may last from a few seconds to a half-hour. They are due to blood vessel opening and constricting and a symptom of me...
  13. Hotel-Dieu Hotel-Dieu
    Hôtel-Dieu: A name often given to a hospital in France during the Middle Ages. Hotel-Dieu literally means the hotel (of) God. In Paris, the Hôtel-Dieu is a venerable and famed hospital. A hospital can also be a place to take care of inanimate objects and serve as a "repair shop for sp...
  14. Hounsfield Hounsfield
    Hounsfield: 1. Godfrey Hounsfield, a key contributor to the creation of the CAT scanner. 2. The unit measuring the brightness of images that appear on a CAT scanner....
  15. Hounsfield, Godfrey Hounsfield, Godfrey
    Hounsfield, Godfrey: (1919-2004) British electrical engineer whose contributions to the creation of the computerized axial tomography scanner (the CAT scan) won him a share of the 1979 Nobel Prize in Physiology or Medicine in 1979. Hounsfield shared the award with the South African-born scientist Al...