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class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_es.wikipedia.org&uselang=es" class=""><span>Donaciones</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Crear_una_cuenta&returnto=N%C3%BAcleo" title="Te recomendamos crear una cuenta e iniciar sesión; sin embargo, no es obligatorio" class=""><span>Crear una cuenta</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Entrar&returnto=N%C3%BAcleo" title="Te recomendamos iniciar sesión, aunque no es obligatorio [o]" accesskey="o" class=""><span>Acceder</span></a> </li> </ul> 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class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Sitio"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contenidos" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contenidos</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mover a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">ocultar</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inicio</div> </a> </li> <li id="toc-En_las_ciencias_naturales_y_de_la_vida" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#En_las_ciencias_naturales_y_de_la_vida"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>En las ciencias naturales y de la vida</span> </div> </a> <ul id="toc-En_las_ciencias_naturales_y_de_la_vida-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-En_lingüística" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#En_lingüística"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>En lingüística</span> </div> </a> <ul id="toc-En_lingüística-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-En_las_ciencias_sociales" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#En_las_ciencias_sociales"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>En las ciencias sociales</span> </div> </a> <ul id="toc-En_las_ciencias_sociales-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Cine" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Cine"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Cine</span> </div> </a> <ul id="toc-Cine-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Otros_proyectos" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Otros_proyectos"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Otros proyectos</span> </div> </a> <ul id="toc-Otros_proyectos-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contenidos" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Cambiar a la tabla de contenidos" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Cambiar a la tabla de contenidos</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Núcleo</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ir a un artículo en otro idioma. Disponible en 8 idiomas" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-8" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">8 idiomas</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Nucli" title="Nucli (catalán)" lang="ca" hreflang="ca" data-title="Nucli" data-language-autonym="Català" data-language-local-name="catalán" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Nukleo" title="Nukleo (esperanto)" lang="eo" hreflang="eo" data-title="Nukleo" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Nukleo_(argipena)" title="Nukleo (argipena) (euskera)" lang="eu" hreflang="eu" data-title="Nukleo (argipena)" data-language-autonym="Euskara" data-language-local-name="euskera" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/N%C3%BAcleo" title="Núcleo (gallego)" lang="gl" hreflang="gl" data-title="Núcleo" data-language-autonym="Galego" data-language-local-name="gallego" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Nucleo_(disambiguation)" title="Nucleo (disambiguation) (interlingua)" lang="ia" hreflang="ia" data-title="Nucleo (disambiguation)" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Nucleo" title="Nucleo (italiano)" lang="it" hreflang="it" data-title="Nucleo" data-language-autonym="Italiano" data-language-local-name="italiano" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Nucleo" title="Nucleo (Lingua Franca Nova)" lang="lfn" hreflang="lfn" data-title="Nucleo" data-language-autonym="Lingua Franca Nova" data-language-local-name="Lingua Franca Nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/N%C3%BAcleo" title="Núcleo (portugués)" lang="pt" hreflang="pt" data-title="Núcleo" data-language-autonym="Português" data-language-local-name="portugués" class="interlanguage-link-target"><span>Português</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q106026865#sitelinks-wikipedia" title="Editar enlaces interlingüísticos" class="wbc-editpage">Editar enlaces</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espacios de nombres"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/N%C3%BAcleo" title="Ver la página de contenido [c]" accesskey="c"><span>Artículo</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discusi%C3%B3n:N%C3%BAcleo" rel="discussion" title="Discusión acerca de la página [t]" accesskey="t"><span>Discusión</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Cambiar variante de idioma" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">español</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul 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vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Herramientas" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Herramientas</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Herramientas</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">mover a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">ocultar</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Más opciones" > <div class="vector-menu-heading"> Acciones </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/N%C3%BAcleo"><span>Leer</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=N%C3%BAcleo&action=edit" title="Editar esta página [e]" accesskey="e"><span>Editar</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=N%C3%BAcleo&action=history"><span>Ver historial</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Especial:LoQueEnlazaAqu%C3%AD/N%C3%BAcleo" title="Lista de todas las páginas de la wiki que enlazan aquí [j]" accesskey="j"><span>Lo que enlaza aquí</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Especial:CambiosEnEnlazadas/N%C3%BAcleo" rel="nofollow" title="Cambios recientes en las páginas que enlazan con esta [k]" accesskey="k"><span>Cambios en enlazadas</span></a></li><li id="t-upload" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard?uselang=es" title="Subir archivos [u]" accesskey="u"><span>Subir archivo</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Especial:P%C3%A1ginasEspeciales" title="Lista de todas las páginas especiales [q]" accesskey="q"><span>Páginas especiales</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=N%C3%BAcleo&oldid=155683131" title="Enlace permanente a esta versión de la página"><span>Enlace permanente</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=N%C3%BAcleo&action=info" title="Más información sobre esta página"><span>Información de la página</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Especial:Citar&page=N%C3%BAcleo&id=155683131&wpFormIdentifier=titleform" title="Información sobre cómo citar esta página"><span>Citar esta página</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Especial:Acortador_de_URL&url=https%3A%2F%2Fes.wikipedia.org%2Fwiki%2FN%25C3%25BAcleo"><span>Obtener URL acortado</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Especial:QrCode&url=https%3A%2F%2Fes.wikipedia.org%2Fwiki%2FN%25C3%25BAcleo"><span>Descargar código QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprimir/exportar </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Especial:Libro&bookcmd=book_creator&referer=N%C3%BAcleo"><span>Crear un libro</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Especial:DownloadAsPdf&page=N%C3%BAcleo&action=show-download-screen"><span>Descargar como PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=N%C3%BAcleo&printable=yes" title="Versión imprimible de esta página [p]" accesskey="p"><span>Versión para imprimir</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> En otros proyectos </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q106026865" title="Enlace al elemento conectado del repositorio de datos [g]" accesskey="g"><span>Elemento de Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Página de herramientas"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Apariencia"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Apariencia</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mover a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ocultar</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">De Wikipedia, la enciclopedia libre</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="es" dir="ltr"><div class="rellink noprint mw-disambig-page hatnote" style="margin-bottom: 1em; padding-bottom: 0.2em;"><span class="mw-disambig-icon"><span typeof="mw:File"><span title="icono de desambiguación"><img alt="icono de desambiguación" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Disambig.svg/18px-Disambig.svg.png" decoding="async" width="18" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Disambig.svg/27px-Disambig.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/72/Disambig.svg/36px-Disambig.svg.png 2x" data-file-width="230" data-file-height="183" /></span></span></span> Esta página de <a href="/wiki/Wikipedia:Manual_de_estilo/P%C3%A1ginas_de_desambiguaci%C3%B3n" title="Wikipedia:Manual de estilo/Páginas de desambiguación">desambiguación</a> enumera artículos que tienen títulos similares.</div><div style="clear: right; float: right; padding: .5em 0 .5em 1em; background: transparent;"><meta property="mw:PageProp/toc" /></div> <p>El término <b>núcleo</b> hace referencia, en esta enciclopedia: </p> <div class="mw-heading mw-heading2"><h2 id="En_las_ciencias_naturales_y_de_la_vida">En las ciencias naturales y de la vida</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=N%C3%BAcleo&action=edit&section=1" title="Editar sección: En las ciencias naturales y de la vida"><span>editar</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>a <b><a href="/wiki/Kernel" class="mw-disambig" title="Kernel">kernel</a></b>, un núcleo;</li> <li>en álgebra lineal, a un <b><a href="/wiki/N%C3%BAcleo_(matem%C3%A1tica)" title="Núcleo (matemática)">núcleo</a></b> (también llamado <i>kernel</i>), el núcleo de una aplicación o conjunto de puntos cuya imagen asignada por la aplicación es el vector nulo;</li> <li>al <b><a href="/wiki/N%C3%BAcleo_de_Poisson" title="Núcleo de Poisson">núcleo de Poisson</a></b>, en la teoría del potencial;</li> <li>en informática, a un <b><a href="/wiki/N%C3%BAcleo_(inform%C3%A1tica)" title="Núcleo (informática)">núcleo</a></b>, de un sistema operativo;</li> <li>en química, a <b><a href="/wiki/Kernel_(qu%C3%ADmica)" class="mw-redirect" title="Kernel (química)">kernel</a></b>, una forma de simplificación de la configuración electrónica de un elemento;</li> <li>en biología celular y citología, al <b><a href="/wiki/N%C3%BAcleo_celular" title="Núcleo celular">núcleo celular</a></b>, la parte central de la célula rodeada de una membrana propia, llamada membrana nuclear, que contiene el ácido desoxirribonucleico (ADN) celular, donde se encuentran codificados los genes;</li> <li>en física atómica, al <b><a href="/wiki/N%C3%BAcleo_at%C3%B3mico" title="Núcleo atómico">núcleo atómico</a></b>, la parte central del átomo que contiene partículas con masa llamadas nucleones (protones y neutrones); el resto del átomo está constituido por la corteza, donde se sitúan partículas de baja masa (2000 veces menor que el protón y el neutrón) y de carga eléctrica negativa llamadas electrones;</li> <li>en geología, al <b><a href="/wiki/N%C3%BAcleo_(geolog%C3%ADa)" title="Núcleo (geología)">núcleo</a></b> de los diferentes planetas (véase <b><a href="/wiki/N%C3%BAcleo_de_la_Tierra" title="Núcleo de la Tierra">núcleo de la Tierra</a></b>);</li> <li>al <b>núcleo o <a href="/wiki/Testigo_de_hielo" title="Testigo de hielo">testigo de hielo</a></b>, una muestra cilíndrica de hielo que se obtiene mediante la perforación del sustrato a diferentes profundidades;</li> <li>en apicultura, el <b>núcleo</b> o <b><a href="/wiki/Nuclero" title="Nuclero">nuclero</a></b>;</li></ul> <div class="mw-heading mw-heading2"><h2 id="En_lingüística"><span id="En_ling.C3.BC.C3.ADstica"></span>En lingüística</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=N%C3%BAcleo&action=edit&section=2" title="Editar sección: En lingüística"><span>editar</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>al <b><a href="/wiki/N%C3%BAcleo_sint%C3%A1ctico" title="Núcleo sintáctico">núcleo sintáctico</a></b>, el morfema o palabra que determina las sintácticas básicas de un sintagma;</li></ul> <div class="mw-heading mw-heading2"><h2 id="En_las_ciencias_sociales">En las ciencias sociales</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=N%C3%BAcleo&action=edit&section=3" title="Editar sección: En las ciencias sociales"><span>editar</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>en prehistoria y arqueología, al <b><a href="/wiki/N%C3%BAcleo_l%C3%ADtico" title="Núcleo lítico">núcleo lítico</a></b>, un fragmento base de roca del que se extraen las esquirlas cortantes llamadas lascas con las que se elaboraban la mayor parte de herramientas de piedra;</li> <li>en geografía urbana, a un <b><a href="/wiki/Espacio_urbano" title="Espacio urbano">núcleo urbano</a></b>, cada uno de los lugares poblados por seres humanos que tienen cierta densidad y conexión;</li> <li>a un <b><a href="/wiki/N%C3%BAcleo_de_poblaci%C3%B3n" title="Núcleo de población">núcleo de población</a></b>, un asentamiento de población bien definido;</li></ul> <div class="mw-heading mw-heading2"><h2 id="Cine">Cine</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=N%C3%BAcleo&action=edit&section=4" title="Editar sección: Cine"><span>editar</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>a <i><b><a href="/wiki/El_n%C3%BAcleo" title="El núcleo">El núcleo</a></b></i>, una película estadounidense de cine catástrofe y ciencia ficción de 2003 dirigida por Jon Amiel.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Otros_proyectos">Otros proyectos</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=N%C3%BAcleo&action=edit&section=5" title="Editar sección: Otros proyectos"><span>editar</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Wiktionary-logo.svg/20px-Wiktionary-logo.svg.png" decoding="async" width="20" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Wiktionary-logo.svg/30px-Wiktionary-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Wiktionary-logo.svg/40px-Wiktionary-logo.svg.png 2x" data-file-width="370" data-file-height="350" /></span></span> <a href="/wiki/Wikcionario" title="Wikcionario">Wikcionario</a> tiene definiciones y otra información sobre <b><a href="https://es.wiktionary.org/wiki/n%C3%BAcleo" class="extiw" title="wikt:núcleo">núcleo</a></b>.</li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Obtenido de «<a dir="ltr" href="https://es.wikipedia.org/w/index.php?title=Núcleo&oldid=155683131">https://es.wikipedia.org/w/index.php?title=Núcleo&oldid=155683131</a>»</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" 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