<B>lymphatic system,</B><DL COMPACT><DD> the network of small vessels, resembling blood vessels, by which lymph circulates throughout the body carrying food from the blood to the cells, picking up fats from the small intestines, and carrying body wastes to the blood; lymph system. </DL>
<A NAME="lymphaticvessel">
<B>lymphatic vessel,</B><DL COMPACT><DD> a tube or canal through which lymph circulates to different parts of the body. </DL>
<A NAME="lymphcell">
<B>lymph cell,</B> =lymphocyte.</DL>
<A NAME="lymphcorpuscle">
<B>lymph corpuscle,</B> =lymphocyte.</DL>
<A NAME="lymphedema">
<B>lymphedema, </B>noun.<DL COMPACT><DD> edema caused by the abnormal accumulation of lymph fluid. <BR> <I>Ex. In lymphedema there is insufficient drainage of fluid, and proteins (Scientific American).</I> </DL>
<A NAME="lymphgland">
<B>lymph gland,</B><DL COMPACT><DD> any one of the bean-shaped, glandlike bodies occurring along the paths of the lymphatic vessel. A lymph gland is composed of a network of connective tissue and is active as a source of lymphocytes. Lymph glands filter out bacteria and other harmful microorganisms from lymph. <BR> <I>Ex. Tonsils ... have at last been pin-pointed as the primary site of polio infection, along with similar lymph glands in the small intestine (Science News Letter).</I> </DL>
<B>lymphoblast, </B>noun.<DL COMPACT><DD> a lymphocyte in an early stage of development. </DL>
<A NAME="lymphoblastic">
<B>lymphoblastic, </B>adjective.<DL COMPACT><DD> of a lymphoblast. </DL>
<A NAME="lymphocyte">
<B>lymphocyte, </B>noun.<DL COMPACT><DD> one of the nearly colorless cells of the blood and lymphatic system, produced by lymph glands; lymph cell. Lymphocytes have a nucleus and are chiefly responsible for immunity. They defend the body against infection by producing antibodies and other substances that destroy viruses and other foreign bodies. B cells and T cells are lymphocytes. </DL>
<A NAME="lymphocytic">
<B>lymphocytic, </B>adjective.<DL COMPACT><DD> of or having to do with a lymphocyte or lymphocytes. </DL>
<A NAME="lymphocytosis">
<B>lymphocytosis, </B>noun.<DL COMPACT><DD> an excessive number of lymphocytes in the blood. </DL>
<A NAME="lymphocytotic">
<B>lymphocytotic, </B>adjective.<DL COMPACT><DD> of a lymphocyte. </DL>
<A NAME="lymphogranuloma">
<B>lymphogranuloma, </B>noun.<DL COMPACT><DD><B> 1. </B>a sexually transmitted disease caused by a rickettsia, characterized by swelling in the groin, usually followed by ulceration leading to disturbance of the lymph nodes; chlamydia. <DD><B> 2. </B><B>=Hodgkin's disease.</B> </DL>
<B>lymphoid, </B>adjective.<DL COMPACT><DD><B> 1. </B>of or having to do with lymph or lymphocytes; like lymph or lymphocytes. <DD><B> 2. </B>of or having to do with the tissue of the lymph glands; like the tissue of the lymph glands. </DL>
<A NAME="lymphoidtissue">
<B>lymphoid tissue,</B><DL COMPACT><DD> the tissue that forms most of the lymph glands and thymus gland, consisting of connective tissue containing lymphocytes. </DL>
<A NAME="lymphokine">
<B>lymphokine, </B>noun.<DL COMPACT><DD> a chemical substance secreted by T cells activated by certain </DL>
<A NAME="lymphoma">
<B>lymphoma, </B>noun, pl. <B>-mas,</B> <B>-mata.</B><DL COMPACT><DD> any one of various malignant tumors of the lymphatic tissue, such as lymphosarcoma. </DL>
<A NAME="lymphomatosis">
<B>lymphomatosis, </B>noun, pl. <B>-ses.</B><DL COMPACT><DD> any one of several forms of the avian leucosis complex, characterized by enlargement of the liver, paralysis, blindness, or enlargement of the bones. </DL>
<A NAME="lymphopoiesis">
<B>lymphopoiesis, </B>noun.<DL COMPACT><DD><B> 1. </B>the formation of lymphocytes. <DD><B> 2. </B>the production of lymph. </DL>
<A NAME="lymphosarcoma">
<B>lymphosarcoma, </B>noun.<DL COMPACT><DD> a sarcoma of the lymphatic tissue, characterized by enlargement of the lymph nodes. <BR> <I>Ex. Two of the four had lymphosarcoma, which attacks the blood-forming organs (New York Times).</I> </DL>
<A NAME="lymphotoxin">
<B>lymphotoxin, </B>noun.<DL COMPACT><DD> a toxic substance produced by lymphocytes to help destroy foreign cells. <BR> <I>Ex. Lymphotoxin molecules ... must group to be toxic. In the absence of the foreign cell, the molecules readily separate. Thus the lymphotoxins do not destroy nonforeign cells (Science News).</I> </DL>
<A NAME="lymphsystem">
<B>lymph system,</B> =lymphatic system.</DL>
<A NAME="lyncean">
<B>lyncean, </B>adjective.<DL COMPACT><DD> like a lynx; keen or sharp-sighted. </DL>
<A NAME="lynch">
<B>lynch, </B>transitive verb.<DL COMPACT><DD> to put (an accused person) to death, usually by hanging, without a lawful trial. <BR> <I>Ex. The angry mob lynched an innocent man.</I> noun <B>lyncher.</B> </DL>
<A NAME="lynchet">
<B>lynchet, </B>noun.<DL COMPACT><DD> (British.) <DD><B> 1. </B>a strip of green land between two pieces of plowed land. <BR> <I>Ex. The small rectangular fields are divided from one another by lynchets (London Times).</I> <DD><B> 2. </B>a slope or terrace along the face of a chalk down. <BR> <I>Ex. There was a series of clearly defined lynchets, suggesting that intensive cultivation was practised on these downs (Manchester Guardian Weekly).</I> </DL>
<A NAME="lynchlaw">
<B>lynch law,</B><DL COMPACT><DD> a putting an accused person to death without a lawful trial. </DL>
<A NAME="lynchpin">
<B>lynchpin, </B>noun. =linchpin.</DL>
<A NAME="lyncis">
<B>Lyncis, </B>noun.<DL COMPACT><DD> genitive of <B>Lynx.</B> </DL>
<A NAME="lynx">
<B>lynx, </B>noun, pl. <B>lynxes</B> or (collectively) <B>lynx.</B><DL COMPACT><DD> any one of certain wildcats of the Northern Hemisphere having a short tail, rather long legs, and tufts of hair at the ends of their ears. Lynxes include the Canada lynx and bobcat of North America, and several Old World varieties. adj. <B>lynxlike.</B> </DL>
<A NAME="lynx">
<B>Lynx, </B>noun, genitive <B>Lyncis.</B><DL COMPACT><DD> a northern constellation near Ursa Major. </DL>
<A NAME="lynxeye">
<B>lynx eye,</B><DL COMPACT><DD> a sharp eye, such as the lynx is supposed to have. <BR> <I>Ex. His lynx eye immediately perceives the paper (Edgar Allan Poe).</I> </DL>
<A NAME="lynxeyed">
<B>lynx-eyed, </B>adjective.<DL COMPACT><DD> having sharp eyes or keen sight; sharp-sighted. </DL>
<A NAME="lyonnaise">
<B>lyonnaise, </B>adjective.<DL COMPACT><DD> fried with pieces of onion. <BR> <I>Ex. lyonnaise potatoes.</I> </DL>
<A NAME="lyonnesse">
<B>Lyonnesse, </B>noun.<DL COMPACT><DD> a legendary region off southwestern England, near Cornwall, associated with Arthurian legend and supposed to have sunk beneath the sea. </DL>
<A NAME="lyophile">
<B>lyophile, </B>adjective. =lyophilic.</DL>
<A NAME="lyophilic">
<B>lyophilic, </B>adjective.<DL COMPACT><DD> (Chemistry.) characterized by strong attraction between the colloid and the dispersion medium of a colloidal system. <BR> <I>Ex. Lyophilic colloidal systems are affected very little by electrolytes (W. N. Jones).</I> </DL>
<A NAME="lyophilization">
<B>lyophilization, </B>noun.<DL COMPACT><DD> the process of lyophilizing substances for preservation. <BR> <I>Ex. Refrigeration, freezing and lyophilization, the methods used almost exclusively for preserving plasma, are also the best methods for preserving viruses (Science News Letter).</I> </DL>
<A NAME="lyophilize">
<B>lyophilize, </B>transitive verb, <B>-lized,</B> <B>-lizing.</B><DL COMPACT><DD> to dehydrate (a frozen material) for storage by converting its water content to a gaseous state in a vacuum, leaving it as a porous solid. </DL>
<A NAME="lyophobic">
<B>lyophobic, </B>adjective.<DL COMPACT><DD> (Chemistry.) characterized by a lack of attraction between the colloid and the dispersion medium of a colloidal system. </DL>
<A NAME="lyra">
<B>Lyra, </B>noun, genitive <B>Lyrae.</B><DL COMPACT><DD> a small northern constellation that was seen by ancient astronomers as having the rough outline of the lyre of Mercury or Orpheus. It contains Vega, the fifth brightest star, excluding the sun. <BR> <I>Ex. The brightest star of the early summer evenings, however, is Vega, which is high in the east, part of Lyra, the lyre (Science News Letter).</I> <DL COMPACT><DD> Also, <B>Lyre.</B> </DL>
</DL>
<A NAME="lyrae">
<B>Lyrae, </B>noun.<DL COMPACT><DD> genitive of <B>Lyra.</B> </DL>
<A NAME="lyrate">
<B>lyrate, </B>adjective.<DL COMPACT><DD> shaped like a lyre, as the tail of certain birds or a leaf. </DL>
<A NAME="lyrated">
<B>lyrated, </B>adjective. =lyrate.</DL>
<A NAME="lyre">
<B>lyre, </B>noun.<DL COMPACT><DD><B> 1. </B>an ancient stringed musical instrument somewhat like a small harp. It was used by the ancient Greeks as accompaniment for singing and reciting. <DD><B> 2. </B>(Figurative.) the medium of a poet's expression. <BR> <I>Ex. Milton's golden lyre (Mark Akenside). Here Poesy might wake her heav'n-taught lyre (Robert Burns).</I> <DD><B> 3. </B>a lyre-shaped music holder attached to an instrument in a marching band. </DL>
<A NAME="lyre">
<B>Lyre, </B>noun. =Lyra.</DL>
<A NAME="lyrebird">
<B>lyrebird, </B>noun.<DL COMPACT><DD> either of two Australian birds about the size of a rooster. The male has a long tail that resembles the shape of a lyre when spread. The lyrebird is a perching bird and exhibits elaborate courtship behavior. </DL>
<A NAME="lyrecrab">
<B>lyre crab,</B><DL COMPACT><DD> a variety of crab with a thick, round body and a shell shaped somewhat like a lyre. </DL>
