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Glossary

Showing 411-420 out of 1154 Terms

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  • 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.

  • Estrogen

    ES-truh-jin

    A type of hormone made by the body that helps develop and maintain female sex characteristics and the growth of long bones. Estrogens can also be made in the laboratory. They may be used as a type of birth control and to treat symptoms of menopause, menstrual disorders, osteoporosis, and other conditions.

  • Etiology

    (EE-tee-AH-loh-jee)

    The cause or origin of disease.