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glossary

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  • Post-traumatic stress disorder

    (post-traw-MA-tik stres dis-OR-der)

    An anxiety disorder that develops in reaction to physical injury or severe mental or emotional distress, such as military combat, violent assault, natural disaster, or other life-threatening events.

  • Potassium

    (puh-TA-see-um)

    A metallic element that is important in body functions such as regulation of blood pressure and of water content in cells, transmission of nerve impulses, digestion, muscle contraction, and heartbeat.

  • Pre-op

    Before surgery.

  • Prednisone

    (PRED-nih-sone)

    A drug used to lessen inflammation and lower the bodys immune response. It is used with other drugs to treat leukemia and lymphoma and other types of cancer. It is also used alone or with other drugs to prevent or treat many other conditions. These include conditions related to cancer, such as anemia (a low level of red blood cells), allergic reactions, and loss of appetite. Prednisone is a type of therapeutic glucocorticoid.

  • Primary tumor

    (PRY-mayr-ee TOO-mer)

    A term used to describe the original, or first, tumor in the body. Cancer cells from a primary tumor may spread to other parts of the body and form new, or secondary, tumors.

  • Progesterone

    (proh-JES-teh-rone)

    A type of hormone made by the body that plays a role in the menstrual cycle and pregnancy. Progesterone can also be made in the laboratory. It may be used as a type of birth control and to treat menstrual disorders, infertility, symptoms of menopause, and other conditions.

  • Prognosis

    (prog-NO-sis)

    The likely outcome or course of a disease; the chance of recovery or recurrence.

  • Prolactin

    (proh-LAK-tin)

    A hormone that is made by the pituitary gland (a pea-sized organ in the center of the brain). Prolactin causes a womans breasts to make milk during and after pregnancy, and has many other effects in the body.

  • Prophylactic

    (PROH-fih-LAK-tik)

    In medicine, something that prevents or protects.

  • Prosthesis

    (pros-THEE-sis)

    An artificial form to replace a part of your body.