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lymphomatoid

(lĭm-fō′mă-toyd) [L. lympha, lymph, + Gr. oma, tumor, + eidos, form, shape] Resembling lymphoma.

lymphomatoid granulomatosis

A lymphoproliferative disorder that usually involves blood vessels in the lungs and is associated with Epstein-Barr virus infection.

lymphomatosis

(lim-fō″mă-tō′sĭs) [lymphoma + -osis] Dissemination of lymphoma throughout the body.

lymphopenia

(lim″fŏ-pē′nē-ă) [lymph- + -penia] A deficiency of lymphocytes in the blood. It is often associated with susceptibility to infection. SYN: lymphocytopenia.

lymphopoiesis

(lim″fŏ-poy-ē′sĭs) [lymph- + -poiesis] The formation of lymphocytes or of lymphoid tissue. lymphopoietic (lim″fŏ-poy-et′ik), adj.

lymphopoietin

(lim″fŏ-poy′ĕt-ĭn) [lymphopoiet(ic) + -in] Any growth factor that stimulates lymphocytes to multiply or differentiate.

thymic stromal l. A cytokine released by epithelial cells in the skin, gastrointestinal and respiratory tracts after contact with allergens. It promotes a wide array of diseases including asthma, autoimmunity, some cancers, dermatitis, inflammatory bowel disease, and rhinitis.

lymphoproliferative

(lĭm″fō-prō-lĭf′ĕr-ă-tĭv) Concerning the proliferation of lymphoid tissue.

lymphoreticular

(lim″fō-rĕ-tik′yŭ-lăr) [lympho- + reticular] Pert. to the lymphocyte, to the mononuclear phagocyte system, and to the tissues that support their growth.

lymphoreticular disorder

Any benign or malignant disease in which lymphocytes or lymphatic tissues proliferate. The disorders include self-limited proliferation of lymph glands, lymphocytes, and monocytes; infectious mononucleosis; benign abnormalities of immunoglobulin synthesis; leukemias; lymphomas such as Hodgkin's disease, lymphosarcoma, reticulum cell sarcoma, and mycosis fungoides; malignant proliferative response or abnormal immunoglobulin synthesis such as plasma cell myeloma, macroglobulinemia, and amyloidosis; histiocytosis; and lipid storage disease.

lymphosarcoma

(lĭm″fō-săr-kō′mă) [″ + Gr. sarx, flesh, + oma, tumor] An infrequently used term for lymphoma, used most often in veterinary medicine. SYN: lymphoblastoma.

lymphoscintigraphy

(lim″fō-sin-tig′ră-fē) [lymph- + scintigraphy] The use of radioactive tracers to identify the lymphatic drainage basin of a swollen limb or a tumor. The use of radioactive tracers to identify the lymphatic drainage basin of a swollen limb or a tumor.

lymphotropic

(lĭm″fō-trŏp′ĭk) Attracted to lymph cells. For example, HIV and human T-cell leukemia-lymphoma virus are lymphotropic for CD4+ lymphocytes and Epstein-Barr virus is lymphotropic for B lymphocytes.

lymphovascular

(lim″fō-vas′kyŭ-ălr) [lympho- + vascular] Pert. to the connections between lymphatic vessels and veins.

Lynch syndrome

(linch) [Henry T. Lynch, contemporary U.S. physician] An autosomal dominant predisposition to colon cancer and other solid tumors. People with Lynch I syndrome are susceptible to colon cancer alone; those with Lynch II syndrome have an additional tendency to get cancers of ...

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