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Lymphokines
Lymphokines Soluble substances secreted by lymphocytes, which have a variety of effects on lymphocytes and other cell types.
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Cell
Fundamental structural unit of all life. The cell consists primarily of an outer plasma membrane, which separates it from the environment; the genetic material (DNA), which encodes heritable information for the maintainance of life; and the cytoplasm, a heterogeneous assemblage of ions, molecules, and fluid.
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Lymph
Consists primarily of a clear, yellowish fluid and white blood cells. Found in the lymphatic system.
Lymph node
Any of many small, compact structures lying in groups along the course of the lymphatic vessels and producing lymphocytes.
Lymph nodes
Small glands clustered in the neck, armpits, abdomen, and groin that supply infection-fighting cells to the bloodstream and filter out bacteria and other antigens.
Lymphadenectomy
A procedure in which lymph nodes are taken from the body for purposes of diagnosing or staging cancer.
Lymphadenitis
Inflammation of the lymph nodes.
Lymphadenopathy
Any disease process affecting a lymph node or lymph nodes.
Lymphangiectasia
Dilation of the lymphatic vessels; may be congenital or acquired.
Lymphangiogram
An x-ray that uses a special dye to determine whether cancer has spread to the lymph nodes.
Lymphangitis
Inflammation of a lymph vessel.
Lymphatic system
The vessels and structures involved in carrying lymph from the tissues to the blood.
Lymphatic Vessels
Drain lymph from tissues and returns it to the blood.
Lymphazurin
Lymphazurin is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): isosulfan blue.
Lymphedema
Swelling of tissue because of the buildup of too much lymph fluid.
Lymphocyte
White blood cell. Lymphocytes have a number of roles in the immune system, including antibody production, attacking and destroying cancer cells, and producing substances that kill cancer cells.
Lymphokine
A cytokine produced by lymphocytes.
Lymphoma
Cancer of the lymphoid tissues. Lymphomas are often described as being large cell or small cell types, cleaved or non-cleaved, or diffuse or nodular. The different types often have different prognoses. Lymphomas can also be referred to by the organs where they are active, such as CNS lymphomas, which are in the central nervous system, and GI lymphomas, which are in the gastrointestinal tract. The types of lymphomas most commonly associated with HIV infection are called non-Hodgkin's lymphomas or B cell lymphomas. In these types of cancers, certain cells of the lymphatic.
Lymphopenia
A reduction, relative or absolute, in the number of lymphocytes in the circulating blood.
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Leber's disease
Leber’s Congenital Amaurosis. A severe form of rod-cone degeneration present at birth. Infant’s have very poor visual acuity, photophobia and nystagmus. Infant’s with Leber’s will often constantly rub their eyes with their fists and poke their eyes with their fingers and thumb. No treatment is available.
Light chain
The light chain of immunoglobulin is a structural feature that occurs in two forms: kappa and lambda.
L chain
The light chain of immunoglobulin is a structural feature that occurs in two forms: kappa and lambda.
Linkage disequilibrium
The frequency, in a population of linked genes, which is governed by factors other than change.
Lymphokines
Labia
In the female sex organs the outside lips (labia majora) and the inside lips (labia minora) that converge to cover the clitoris with the clitoral hood. Singular: labium.
Labioscrotal
Formed and looking like female labia that, instead of being completely separated, are partially fused to resemble a scrotum; or are like a divided scrotum that resembles labia.
Lactation
The secretion of milk from the breasts; the period of suckling the young until weaning.
Lactogenic hormone
The pituitary hormone that stimulates the production of milk from the mammary glands.
Laparotomy
Surgical incision through the flank or loin or, less precisely, the abdominal wall, as for the purpose of exploring the morphology of the internal reproductive organs.
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