Category: H

  • Harvest fever

    A fever-causing illness that affects agricultural workers, caused by a spirochetal bacterium.  

  • Haptophore

    The specific molecular structure that allows toxins to bind to antibodies, resulting in their neutralization within the body.  

  • Hand-Schuller-Christian syndrome

    A disorder primarily observed in children characterized by protruding eyeballs, diabetes insipidus, and a yellowish discoloration of the skin.  

  • Hammer finger

    A finger deformity where the final joint is bent in such a way that the finger resembles a hammer, also known as mallet finger.  

  • Hereditary edema

    Persistent leg swelling that frequently occurs within families, generally manifesting at or after adolescence for unknown or unclear reasons. Also referred to as Milroy-Meige-Nonne’s disease.  

  • Heat edema

    Swelling in the hands and feet that occurs during hot weather, caused by an expansion of blood volume and widening of the capillaries.  

  • Hysterocontrast sonography

    Hysterocontrast sonography is a procedure where ultrasound is used to examine the uterine cavity and fallopian tubes. A contrast medium, which is visible on ultrasound, is introduced into the uterine cavity through the vagina and cervix. This technique is often employed in the investigation of infertility. The main benefit of this method over hysterosalpingography is…

  • Hypromellose

    Hypromellose is a component found in synthetic tears, and it is administered in the form of eye drops.  

  • Hyposplenism

    Hyposplenism is a medical term used to describe a state where the spleen’s functionality is reduced. If the spleen is not working properly, it leads to a decrease in the production of antibodies, lymphocytes, and phagocytes, which are vital in combating harmful invaders such as microorganisms. Consequently, those with Hyposplenism are more prone to certain…

  • Hyposensitization

    Hyposensitization is a prophylactic approach to certain allergies, including those caused by grass pollens and insect venom. This treatment involves administering incrementally higher doses of the allergen, the substance causing the allergic reaction, to decrease the immune system’s sensitivity to it. This therapy may need to be carried out annually over several years. However, there’s…