| nig | black [Lat. niger] |
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| niger | A republic in western africa, north of nigeria and west of chad. Its capital is niamey. It was first explored by the europeans in the late 18th century. It became part of the french sphere of influence in the latter part of the 19th century and was formally constituted as part of french west africa in 1904. Nigeria gained independence in 1960. The country took its name from the river niger flowing through it. The river's name came from the tuareg egereou n-igereouen, river of rivers, the second part of the name giving the modern european form niger. (12 Dec 1998) |
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| nigeria | A republic in western africa, south of niger between benin and cameroon. Its capital is lagos. From the time it was visited in the 18th and 19th centuries by many european explorers, figuring in its administrative history were great britain, the native king, sierra leone, and the gold coast colony. Nigeria gained independence in 1960, becoming a republic in 1961. Nigeria derives its name from the niger river which flows through it. (12 Dec 1998) |
| nigericin | <chemical> An ionophore capable of acting as a carrier for K or Rb or as an exchange carrier for H with K. Originally used as an antibiotic. Has been used in investigating chemiosmosis and other transport systems. (18 Nov 1997) |
| nigerose | 3-O-alpha-d-Glucopyranosyl-d-glucose;a disaccharide obtained by the hydrolysis of amylopectins, consisting of two d-glucose residues bound in an a1-3 linkage. Origin: fr. Nigeran, a polysaccharide synthesised by Aspergillus niger (05 Mar 2000) |
| aspergillus niger | A fungus causing smut or black mold of several fruits, vegetables, etc. (12 Dec 1998) |
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| vomitus niger | <medicine> A copious vomiting of dark-coloured matter; or the substance so discharged; one of the most fatal symptoms in yellow fever. Source: Websters Dictionary (01 Mar 1998) |
| Peptococcus niger | A species found once, in the urine of an aged woman; type species of the genus Peptococcus. (05 Mar 2000) |
| nucleus 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 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) |
Synonyms :
Synonyms :
Synonyms : Epinigericin, Pandavir
| niger | a landlocked republic in West Africa |
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| niger | an African river |
| niger | the basic unit of money in Niger |
| niger | an African river |
| niger | a family of African language spoken in west Africa |
| niger | the family of languages that includes most of the languages spoken in sub-Saharan Africa |
| niger | the family of languages that includes most of the languages spoken in sub-Saharan Africa |
| niger | a republic in West Africa on the Gulf of Guinea |
| niger | a native or inhabitant of Nigeria |
| niger | of or relating to the people of Nigeria |
| niger | of or relating to Nigeria |
| niger | capital of Nigeria in the center of the country |
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