Category: H

  • Hinge movement

    Movement in a joint around a transverse axis, as occurs in the lower compartment of the temporomandibular joints at the beginning of jaw opening when the occluding teeth are separated or in the final stage of wide opening of the mouth.  

  • Hypomanic episode mood disorder

    A mood disorder characterized by a period of persistently elevated, expansive, or irritable mood lasting for at least 4 days.  

  • Hypertrophic mononeuropathy

    A rare peripheral nerve disorder in which a single nerve enlarges (forming a mass) and malfunctions. On biopsy the cells surrounding the damaged nerve are arranged in a diagnostic “onion-bulb” shape.  

  • Homeotypic mitosis

    The second or equational division in the maturation of germ cells. A stainable portion of the spindle fibers following mitosis.  

  • Heterotypic mitosis

    The first or reduction division in the maturation of germ cells.  

  • Harvest mite

    A mite, similar in appearance to scabies, that lives in grain stems, grasses, and bushes. It is common in the southern U.S. The larvae attach to the skin and inject a secretion that causes itching.  

  • Homogenized milk

    Milk that has been processed in such a manner that fats are combined with the body of the milk and the cream does not separate. This pertains to whole milk that has undergone a process where the cream is prevented from separating and rising to the surface, instead remaining uniformly dispersed within the liquid. Milk…

  • Hyoglossal membrane

    A transverse fibrous membrane uniting tongue to hyoid bone.  

  • High tech medicine

    Engineered advances in medical knowledge and technique that have resulted in improved diagnostic, therapeutic, and rehabilitative procedures.  

  • Hypodermic medication

    Treatment by injection of medicine into the body through the skin, using a syringe and needle.