Category: H

  • Hereditary disease

    Illness caused by inherited or spontaneously mutated genetic material of the cell.  

  • Hepatic portal vein

    Blood vessel that carries blood from the liver to the inferior vena cava.  

  • Hepatic portal circulation

    Blood vessels that divert blood from digestive organs to the liver before returning through veins back up to the heart. The vascular system situated within the peritoneal cavity responsible for siphoning off blood from the digestive organs and the spleen, channeling it towards the intricate web of tiny blood vessels within the liver, where it…

  • Hepatic portal

    The pathway of blood flow from the gastrointestinal (Gl) tract and spleen to the liver via the portal vein and its tributaries.  

  • Hepatatoiminodiacetic scan

    A diagnostic imaging technique of injection of the radionuclide to obtain images of the liver, gallbladder, and biliary tree.  

  • Hemostatic forceps

    Clamping tool with a clasp that holds the blades in a closed position; used to stop blood flow at the end of a blood vessel and control hemorrhage; often called “hemostat”.  

  • Hemophilia A

    Inherited blood disorder resulting in the absence of clotting factor VIII; this is the most common type of hemophilia, occurring almost exclusively in males.  

  • Hemoglobin A

    Normal hemoglobin that binds with oxygen and carbon dioxide. Adult hemoglobin, commonly known as normal hemoglobin, comprises four heme molecules, two alpha-globin molecules, and two beta-globin molecules.  

  • Hemiplegic gait

    Manner of walking with a stiff, extended leg, lacking any flexion of the knee or ankle, resulting in a semicircular movement of the foot with each step. A gait in which the patient abducts the paralyzed limb, swings it around, and brings it forward so that the foot comes to the ground in front. During…

  • Hemiazygos vein

    One of the blood vessels of the thorax that begins in the left ascending lumbar vein, proceeds through the thorax, and eventually goes up to the azygous vein.