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STD Related Terms

- L -

  • Laparoscopy

  • A surgical procedure in which a slender, light-transmitting telescope, the laparoscope, is used to view the pelvic organs or perform surgery.

  • Laparotomy

  • A surgical procedure in which an incision is made in the abdomen.

  • Laser

  • A powerful beam of light used in some types of surgery to cut or destroy tissue.

  • Latency

  • The phenomenon by which disease (such as HSV or HPV) can hide away in the nerve roots in an inactive state, only to reactivate and cause viral shedding or symptoms again.

  • Lesion

  • A very general term denoting any abnormality on the surface of the body, whether on the skin or on a mucous membrane. Includes sores, wounds, injuries, pimples, tumors, on the skin or elsewhere.

  • Liposome

  • Microscopic globules of lipids manufactured to enclose medications. The liposome's fatty layer is supposed to protect and confine the enclosed drug until the liposome binds with the outer membrane of target cells. By delivering treatments directly to the cells needing them, drug efficacy may be increased while overall toxicity is reduced.

  • Local Therapy

  • Treatment that affects cells in a tumor and the area close to it.

  • Localized

  • Restricted to a limited region of the body. The effects of many STDs are localized and if treated early do not progress beyond that region.

  • Long-Term Nonprogressor

  • An individual who has been infected with HIV for at least seven to twelve years (different authors use different timespans) and yet retains a CD4 cell count within the normal range.

  • Lubricant

  • A slippery substance. Can be oil- or water-based. A vaginal lubricant may be helpful for women who feel pain during intercourse because of vaginal dryness. If using a lubricant with latex condoms, use one that is water-based, as oil can weaken the latex.

  • Lymph

  • The almost colorless fluid that travels through the lymphatic system and carries cells that help fight infections and other diseases.

  • Lymph Node (LYMPH GLAND)

  • Small bean-shaped organs made up mostly of lymphocytes (see), lymph fluid and connective tissue. Clusters of lymph nodes are widely distributed in the body and are essential to the functioning of the immune system. They are connected with each other and other lymphoid tissue by the lymphatic vessels.

  • Lymphadenopathy

  • Swelling or enlargement of the lymph nodes due to infection or cancer. The swollen nodes may be palpable or visible from outside the body.

  • Lymphocyte

  • White blood cells that mature and reside in the lymphoid organs and are responsible for the acquired immune response (see Immune System). The two major types of lymphocytes are T-cells and B-cells.

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STD Terms

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