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Glossary

Showing 411-420 out of 1156 Terms

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  • Enzymes

    (en-zimes)

    Proteins that speed up chemical reactions in the body.

  • Eosinophil

    (EE-oh-SIH-noh-FIL)

    A type of immune cell that has granules (small particles) with enzymes that are released during infections, allergic reactions, and asthma. An eosinophil is a type of white blood cell and a type of granulocyte.

  • Ependymoma

    (eh-PEN-dih-MOH-muh)

    A type of brain tumor that begins in cells lining the spinal cord central canal (fluid-filled space down the center) or the ventricles (fluid-filled spaces of the brain). Ependymomas may also form in the choroid plexus (tissue in the ventricles that makes cerebrospinal fluid). Also called ependymal tumor.

  • Epidural

    (EH-pih-DER-ul)

    Having to do with the space between the wall of the spinal canal and the covering of the spinal cord. An epidural injection is given into this space.

  • Epstein-Barr virus

    (ep-stine-BAR VY-rus)

    A common virus that remains dormant in most people. Epstein-Barr virus causes infectious mononucleosis and has been associated with certain cancers, including Burkitt lymphoma, immunoblastic lymphoma, nasopharyngeal cancer, and stomach (gastric) cancer.

  • Erection

    (eh-REK-shun)

    In medicine, the swelling of the penis with blood, causing it to become firm.

  • Erythrocyte sedimentation rate

    (eh-RITH-roh-site SEH-dih-men-TAY-shun ...)

    The distance red blood cells travel in one hour in a sample of blood as they settle to the bottom of a test tube.

  • Esophageal

    (ee-SAH-fuh-JEE-ul)

    Having to do with the esophagus, the muscular tube through which food passes from the throat to the stomach.

  • Esophagus

    (ee-SAH-fuh-gus)

    The muscular tube through which food passes from the throat to the stomach.

  • Estradiol

    (es-truh-DY-ol)

    A form of the hormone estrogen.