cell nucleus

  • 41Nucleus raphe pallidus — Brain: Nucleus raphe pallidus Section of the medulla oblongata at about the middle of the olive. (Raphe nuclei not labeled, but raphe labeled at left.) Latin nucleus raphes pallidus NeuroNames …

    Wikipedia

  • 42nucleus — noun (plural nuclei; also nucleuses) Etymology: New Latin, from Latin, kernel, from nuc , nux nut more at nut Date: 1704 1. a. the small bright body in the head of a comet b. the small brighter and denser portion of a galaxy 2. a central point,… …

    New Collegiate Dictionary

  • 43Nucleus (neuroanatomy) — In neuroanatomy, a nucleus is a brain structure consisting of a relatively compact cluster of neurons. It is one of the two most common forms of nerve cell organization, the other being layered structures such as the cerebral cortex or cerebellar …

    Wikipedia

  • 44nucleus — n. 1) the part of a cell that contains the genetic material, DNA. The DNA, which is combined with protein, is normally dispersed throughout the nucleus as chromatin. During cell division the chromatin becomes visible as chromosomes. The nucleus… …

    The new mediacal dictionary

  • 45Cell membrane — Illustration of a Eukaryotic cell membrane The cell membrane or plasma membrane is a biological mem …

    Wikipedia

  • 46nucleus thoracicus posterior — [TA] posterior thoracic nucleus: a well defined column of cells in the medial part of the intermediate zone (lamina VII) of the spinal gray matter, medial to the intermediolateral cell column, usually extending from the eighth cervical segment… …

    Medical dictionary

  • 47nucleus */ — UK [ˈnjuːklɪəs] / US [ˈnuklɪəs] noun [countable] Word forms nucleus : singular nucleus plural nuclei UK [ˈnjuːklɪaɪ] / US [ˈnuklɪˌaɪ] 1) the central or basic part of something nucleus of: These two groups formed the nucleus of a new political… …

    English dictionary

  • 48nucleus — [[t]nju͟ːkliaɪ, AM nu͟ː [/t]] nuclei 1) N COUNT: usu with supp The nucleus of an atom or cell is the central part of it. Neutrons and protons are bound together in the nucleus of an atom. 2) N COUNT: usu the N of n The nucleus of a group of… …

    English dictionary

  • 49nucleus dentatus — [TA] dentate nucleus: the largest and most lateral of the cerebellar nuclei, lying in the white matter of the cerebellum just lateral to the emboliform nucleus, and receiving Purkinje cell fibers primarily from the lateral cortical zone; its… …

    Medical dictionary

  • 50nucleus — nu|cle|us [ nukliəs ] (plural nu|cle|i [ nukli,aı ] ) noun count * 1. ) nucleus of the central or basic part of something: These two groups formed the nucleus of a new political party. A nucleus of activist students led the demonstrations. 2. )… …

    Usage of the words and phrases in modern English