| HL | hairline; hairy leukoplakia; half life; hearing level; hearing loss; heparin lock; histiocytic lymph... |
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| HLA | histocompatibility leukocyte antigen; histocompatibility locus antigen; homologous leukocyte antibod... |
| LC | Laennec cirrhosis; Langerhans cell; late clamped; large chromophobe; lecithin cholesterol acyltransf... |
| LCR | locus control region |
| LCRB | locus control region beta |
| QTL | Aquantitative trait locus |
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| HLC | Health Locus of Control |
| HLOC | Health Locus of Control |
| HLA | Histocompatibility Locus Antigen |
| LC | Locus Coeruleus |
| locus | <genetics> The site in a linkage map or on a chromosome where the gene for a particular trait is located. Any one of the alleles of a gene may be present at this site. (18 Nov 1997) |
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| locus ceruleus | A shallow depression, of a blue colour in the fresh brain, lying laterally in the most rostral portion of the rhomboidal fossa near the cerebral aqueduct; it lies near the lateral wall of the fourth ventricle and consists of about 20,000 melanin-pigmented neuronal cell bodies whose norepinephrine-containing axons have a remarkably wide distribution in the cerebellum as well as in the hypothalamus and cerebral cortex. Synonym: substantia ferruginea, locus cinereus, locus ferrugineus. (05 Mar 2000) |
| locus cinereus | A shallow depression, of a blue colour in the fresh brain, lying laterally in the most rostral portion of the rhomboidal fossa near the cerebral aqueduct; it lies near the lateral wall of the fourth ventricle and consists of about 20,000 melanin-pigmented neuronal cell bodies whose norepinephrine-containing axons have a remarkably wide distribution in the cerebellum as well as in the hypothalamus and cerebral cortex. Synonym: substantia ferruginea, locus cinereus, locus ferrugineus. (05 Mar 2000) |
| locus coeruleus | Bluish region in the superior angle of the fourth ventricle floor, corresponding to melanin-like pigmented nerve cells which lie lateral to the ponto-mesencephalic central gray (griseum centrale). It is also known as nucleus pigmentosus pontis, locus cinereus, and locus ferrugineus. (12 Dec 1998) |
| locus control region | A regulatory region first identified in the human beta-globin locus but subsequently found in other loci. The region is believed to regulate transcription by opening and remodeling chromatin structure. It may also have enhancer activity. (12 Dec 1998) |
| locus ferrugineus | A shallow depression, of a blue colour in the fresh brain, lying laterally in the most rostral portion of the rhomboidal fossa near the cerebral aqueduct; it lies near the lateral wall of the fourth ventricle and consists of about 20,000 melanin-pigmented neuronal cell bodies whose norepinephrine-containing axons have a remarkably wide distribution in the cerebellum as well as in the hypothalamus and cerebral cortex. Synonym: substantia ferruginea, locus cinereus, locus ferrugineus. (05 Mar 2000) |
| locus minoris resistentiae | A place of less resistance, in latin. For example, a damaged heart valve may act as a locus minoris resistentiae where bacteria released into the blood stream (bacteraemia) tend to settle. (12 Dec 1998) |
| locus niger | A large cell mass, crescentic on transverse section, extending forward over the dorsal surface of the crus cerebri from the rostral border of the pons into the subthalamic region; it is composed of a dorsal stratum of closely spaced pigmented (i.e., melanin-containing) cells, the pars compacta, and a larger ventral region of widely scattered cells, the pars reticulata; the pars compacta in particular includes numerous cells that project forward to the striatum (caudate nucleus and putamen) and contain dopamine, which acts as the transmitter substance at their synaptic endings; other, apparently non-dopaminergic cells of the substantia nigra project to a rostral part of the ventral nucleus of thalmus, the middle layers of the superior colliculus and to restricted parts of the reticular formation of the midbrain; the nigrostriatal projection is reciprocated by a massive striatonigral fibre system with multiple neurotransmitters, chief among which is gamma-aminobutyric acid (GABA); substantia n. Receives smaller afferent projections from the subthalamic nucleus, the lateral segment of the globus pallidus, the dorsal nucleus of the raphe and the pedunculopontine nucleus of the midbrain. The pars reticulata forms part of the output system for the striate body. The substantia n. Is involved in the metabolic disturbances associated with Parkinson's disease and Huntington's disease. Synonym: locus niger, nucleus niger, Soemmerring's ganglion. (05 Mar 2000) |
| locus of control | A theoretical construct designed to assess a person's perceived control over his/her own behaviour; classified as internal if the person feels in control of events, external if others are perceived to have that control. (05 Mar 2000) |
| locus perforatus anticus | A region at the base of the brain through which numerous small branches of the anterior and middle cerebral arteries (lenticulostriate arteries) enter the depth of the cerebral hemisphere; it is bordered medially by the optic chasm and anterior half of the optic tract, rostrally and laterally by the lateral olfactory stria; its anteromedial part corresponds to the olfactory tubercle. Synonym: substantia perforata anterior, locus perforatus anticus, olfactory area. (05 Mar 2000) |
| locus perforatus posticus | The bottom of the interpeduncular fossa at the base of the midbrain, extending from the anterior border of the pons forward to the mamillary bodies, and containing numerous openings for the passage of perforating branches of the posterior cerebral arteries. Synonym: substantia perforata posterior, locus perforatus posticus, Malacarne's space. (05 Mar 2000) |
| locust | 1. <zoology> Any one of numerous species of long-winged, migratory, orthopterous insects, of the family Acrididae, allied to the grasshoppers; especially, (Edipoda, or Pachytylus, migratoria, and Acridium perigrinum, of Southern Europe, Asia, and Africa. In the United States the related species with similar habits are usually called grasshoppers. See Grasshopper. These insects are at times so numerous in Africa and the south of Asia as to devour every green thing; and when they migrate, they fly in an immense cloud. In the United States the harvest flies are improperly called locusts. See Cicada. Locust beetle, an African bird; the beefeater. 2. [Etymol. Uncertain. <botany> The locust tree. See Locust Tree (definition, note, and phrases). <botany> Locust bean, a commercial name for the sweet pod of the carob tree. Origin: L. Locusta locust, grasshopper. Cf. Lobster. Source: Websters Dictionary (01 Mar 1998) |
| locust gum | <botany> The Carob, a leguminous tree of the Mediterranean region; also, its edible beans or pods, called St. John's bread. The Honey mesquite (Prosopis juliflora), a small tree found from California to Buenos Ayres; also, its sweet, pulpy pods. A valuable gum, resembling gum arabic, is collected from the tree in Texas and Mexico. Origin: Sp. Algarroba, fr. Ar. Al-kharrbah. Cf. Carob. Source: Websters Dictionary (01 Mar 1998) |
| locust tree | <botany> A large North American tree of the genus Robinia (R. Pseudacacia), producing large slender racemes of white, fragrant, papilionaceous flowers, and often cultivated as an ornamental tree. In England it is called acacia. The name is also applied to other trees of different genera, especially to those of the genus Hymenaea, of which H. Courbaril is a lofty, spreading tree of South America; also to the carob tree (Ceratonia siliqua), a tree growing in the Mediterranean region. <botany> Honey locust tree, a small swamp tree (Gleditschia monosperma), of the Southern United States. Origin: Etymol. Uncertain. Source: Websters Dictionary (01 Mar 1998) |
| locusta | <botany> The spikelet or flower cluster of grasses. Origin: NL., cf. Locuste. Source: Websters Dictionary (01 Mar 1998) |
| genetic locus | <genetics> The position of a gene in a linkage map or on a chromosome. (18 Nov 1997) |
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| marker locus | A locus on a chromosome or in a stretch of DNA that can be identified (e.g., a restriction fragment length polymorphism) and can serve in linkage analysis and in the isolation of a disease gene. See: linkage marker. (05 Mar 2000) |
| cis-acting locus | A section of DNA that affects the activity of DNA sequences on that same molecule of DNA. (05 Mar 2000) |
| complex locus | A set of closely linked genetic loci with a common function, as in the major histocompatibility complex locus. (05 Mar 2000) |
| W locus | <molecular biology> Mouse coat colour locus, equivalent to the kit proto-oncogene, that encodes a receptor tyrosine kinase essential for development of haemopoietic and germ cells. (18 Nov 1997) |
| multi locus enzyme electrophoresis | Inhibition of translation of the transcript of a transposase gene by a multicopy plasmid with suitable inhibitory gene. The plasmid inhibits transposition events in the host bacterium. (18 Nov 1997) |
| multi-locus probe | A probe that hybridizes to anumber of different sites in the genome of an organism. (09 Oct 1997) |
| X-linked locus | Any locus that in normal karyotypes is borne on the X chromosome. (05 Mar 2000) |
| sex-linked locus | Any locus that in normal karyotypes is borne on a heterosome; commonly but incorrectly applied to an X-linked locus. (05 Mar 2000) |
| Y-linked locus | Any (haploid) locus that in normal karyotypes is borne on the Y chromosome. The known content is so far small. (05 Mar 2000) |
Synonyms : Locus Caeruleus, Locus Ceruleus, Nucleus Pigmentosus Pontis, Pontis, Nucleus Pigmentosus
Synonyms : Control Region, Locus, Control Regions, Locus, Locus Control Regions, Region, Locus Control, Regions, Locus Control
Synonyms :
| locust bean |
carob: long pod containing small beans and sweetish edible pulp; used as animal feed and source of a chocolate substitute
Ãâó: wordnet.princeton.edu/perl/webwn
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| locus |
venue: the scene of any event or action (especially the place of a meeting) the specific site of a particular gene on its chromosome the set of all points or lines that satisfy or are determined by specific conditions; "the locus of points equidistant from a given point is a circle"
Ãâó: wordnet.princeton.edu/perl/webwn
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| locus niger |
substantia nigra: a layer of deeply pigmented grey matter in the midbrain; associated with the striate body; is involved in metabolic disturbances associated with Parkinson's disease and with Huntington's disease
Ãâó: wordnet.princeton.edu/perl/webwn
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| locust bean |
Carob tree (Ceratonia siliqua) is an evergreen shrub or tree native to the Mediterranean region, cultivated for its edible seed pods. Also known as St John's Bread, the flesh of the pods tastes similar to sweetened cocoa, but contains no caffeine or other psychoactive substances and is often used as a hypoallergenic, drug-free substitute. ...
Ãâó: en.wikipedia.org/wiki/Locust_bean
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| locus |
In mathematics, a locus (Latin for "place", plural loci) is a collection of points which share a common property. A locus of points usually forms a continuous figure or figures. For example, the conic sections are defined in terms of loci: # A circle is the locus of points from which the distance to the center is a given value, the radius.# An ellipse is the locus of points, the sum of the distances from which to the foci is a given value. ...
Ãâó: en.wikipedia.org/wiki/Locus_(mathematics)
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| locus | the set of all points or lines that satisfy or are determined by specific conditions |
|---|---|
| locus | the specific site of a particular gene on its chromosome |
| locus | the scene of any event or action (especially the place of a meeting) |
| locus | an authoritative and often-quoted passage |
| locus | the specific site in the body where an infection originates |
| locus | migratory grasshoppers of warm regions having short antennae |
| locus | any of various hard-wooded trees of the family Leguminosae |
| locus | hardwood from any of various locust trees |
| locus | long pod containing small beans and sweetish edible pulp |
| locus | long pod containing small beans and sweetish edible pulp |
| locus | any of various hard-wooded trees of the family Leguminosae |
| locus | a genus of Acrididae |
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