Biology Dictionary

  • Hemolymph

    Hemolymph

    The circulatory fluid in arthropods and some other invertebrates, equivalent to blood in vertebrates, which transports nutrients and waste products.

  • Hemoptysis

    Hemoptysis

    The coughing up of blood from the respiratory tract, often indicative of a lung or airway condition.

  • Hemorrhage

    Hemorrhage

    Excessive bleeding due to the rupture of blood vessels.

  • Hemostat

    Hemostat

    A medical instrument used to control bleeding by clamping blood vessels.

  • Hemotoxin

    Hemotoxin

    A toxin that attacks red blood cells, tissues, or blood vessels, often found in the venom of certain snakes and other animals.

  • Heparin

    Heparin

    An anticoagulant (blood thinner) that prevents the formation of blood clots, often used in medical treatments.

  • Hepatic

    Hepatic

    Relating to the liver.

  • Hepatic flexure

    Hepatic flexure

    The bend in the colon near the liver, where the ascending colon transitions into the transverse colon.

  • Hepatic portal vein

    Hepatic portal vein

    A blood vessel that carries blood from the gastrointestinal tract and spleen to the liver.

  • Hepatitis

    Hepatitis

    Inflammation of the liver, commonly caused by viral infections, alcohol abuse, or autoimmune diseases.