nucleus : Idioms & Phrases

Index

amygdaloid nucleus

  • noun an almond-shaped neural structure in the anterior part of the temporal lobe of the cerebrum; intimately connected with the hypothalamus and the hippocampus and the cingulate gyrus; as part of the limbic system it plays an important role in motivation and emotional behavior
    corpus amygdaloideum; amygdala.
WordNet

benzene nucleus

  • noun a closed chain of 6 carbon atoms with hydrogen atoms attached
    benzene ring; Kekule formula; benzene formula.
WordNet

Benzene nucleus, Benzene ring

  • (Chem.), a closed chain or ring, consisting of six carbon atoms, each with one hydrogen atom attached, regarded as the type from which the aromatic compounds are derived. This ring formula is provisionally accepted as representing the probable constitution of the benzene molecule, C6H6, and as the type on which its derivatives are formed.
Webster 1913

caudate nucleus

  • noun a tail-shaped basal ganglion located in a lateral ventricle of the brain
    caudate.
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cell nucleus

  • noun a part of the cell containing DNA and RNA and responsible for growth and reproduction
    nucleus; karyon.
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dentate nucleus

  • noun a large laminar nucleus of grey matter within the white matter of each cerebral hemisphere
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lens nucleus

  • noun the central structure of the lens that is surrounded by the cortex
    nucleus.
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lenticular nucleus

  • noun a basal ganglion shaped like a lens and including the outer reddish putamen and the inner pale yellow pallidum
    lenticular nucleus.
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lentiform nucleus

  • noun a basal ganglion shaped like a lens and including the outer reddish putamen and the inner pale yellow pallidum
    lenticular nucleus.
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nucleus niger

  • noun 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
    substantia nigra; locus niger.
WordNet

Parent nucleus

  • (Biol.), a nucleus which, in cell division, divides, and gives rise to two or more daughter nuclei. See Karyokinesis, and Cell division, under Division.
Webster 1913

revolutionary proletarian initiative nuclei

  • noun a clandestine group of leftist extremists who oppose Italy's labor policies and foreign policy; responsible for bombing building in the historic center of Rome from 2000 to 2002
    Revolutionary Proletarian Initiative Nuclei; NIPR.
WordNet

revolutionary proletarian nucleus

  • noun a clandestine group of leftist extremists who oppose Italy's labor policies and foreign policy; responsible for bombing building in the historic center of Rome from 2000 to 2002
    Revolutionary Proletarian Initiative Nuclei; NIPR.
WordNet

Segmentation nucleus

  • (Biol.), the body formed by fusion of the male and female pronucleus in an impregnated ovum. See the Note under Pronucleus.
Webster 1913

subthalamic nucleus

  • noun an oval mass of grey matter located in the caudal part of the subthalamus; associated with the striate body
WordNet