cell nucleus

  • 61nucleus — n.; pl. lei [L. nucleus, kernel] 1. A spheroidal structure present in a cell containing the chromatin. 2. (MOLLUSCA: Gastropoda) The earliest formed part of the shell, or operculum, of a protoconch …

    Dictionary of invertebrate zoology

  • 62nucleus anterior hypothalami — [TA] anterior hypothalamic nucleus: a group of neuron cell bodies in the anterior hypothalamic region …

    Medical dictionary

  • 63nucleus campi dorsalis — [TA] nucleus of dorsal field: the group of nerve cell bodies among the fibers of field H1 of Forel. See also nuclei campi perizonalis …

    Medical dictionary

  • 64nucleus campi ventralis — [TA] nucleus of ventral field: the group of nerve cell bodies among the fibers of field H2 of Forel. See also nuclei campi perizonalis …

    Medical dictionary

  • 65nucleus dorsomedialis hypothalamicae intermediae — [TA] dorsomedial nucleus of intermediate hypothalamus: a group of nerve cell bodies found in the dorsal part of the intermediate hypothalamic region …

    Medical dictionary

  • 66nucleus habenularis lateralis — [TA] lateral habenular nucleus: the more dispersed of the two nerve cell groups situated deep to the habenular trigone; it receives fibers from the stria medullaris thalami and projects to the raphe nuclei, reticular formation of mesencephalon,… …

    Medical dictionary

  • 67nucleus ventromedialis hypothalami — [TA] ventromedial hypothalamic nucleus: a group of nerve cell bodies found in the ventral portion of the intermediate hypothalamic region; it is involved in diverse functions, e.g., food intake and sexual behavior …

    Medical dictionary

  • 68cell — noun 1》 a small room in which a prisoner is locked up or in which a monk or nun sleeps.     ↘historical a small monastery dependent on a larger one. 2》 a small compartment in a larger structure such as a honeycombining 3》 Biology the smallest… …

    English new terms dictionary

  • 69nucleus — [ˈnjuːkliəs] (plural nuclei [ˈnjuːkliaɪ] ) noun [C] 1) science the central part of an atom 2) science the central part of a living cell 3) the central or basic part of something These groups formed the nucleus of a new political party.[/ex] …

    Dictionary for writing and speaking English

  • 70cell — The fundamental level of structural organization in complex organisms. Eukaryotic cells contain a nucleus (with chromosomes) and cytoplasm with the protein synthesis machinery, bounded by a membrane. Prokaryotic cells have no nucleus …

    Glossary of Biotechnology