Cell nucleus - Wikipedia, the free encyclopedia
In cell biology, the nucleus (pl. nuclei ; from Latin nucleus or nuculeus, meaning kernel) is a membrane-enclosed organelle found in eukaryotic cells. It contains ...

nucleus: Definition, Synonyms from Answers.com
nucleus n. , pl. , -clei , or -cleuses . A central or essential part around which other parts are gathered or grouped; a core: the nucleus of a city.

Nucleus - definition from Biology-Online.org
Definition and other additional information on Nucleus from Biology-Online.org dictionary.

Nucleus | Define Nucleus at Dictionary.com
noun, plural nu·cle·i , nu·cle·us·es. 1. a central part about which other parts are grouped or gathered; core: A few faithful friends formed the nucleus of the ...

nucleus - definition of nucleus in the Medical dictionary - by the ...
nucleus /nu·cle·us/ (noo´kle-us) pl. nu´clei [L.] 1. the central core of a body or object. 2. cell nucleus; a spheroid body within a cell, consisting of a thin ...

Cell Organelles: The Nucleus and Nucleolus
Description of cell nucleus and nucleolus structure and function.

nucleus Facts, information, pictures | Encyclopedia.com articles ...
nucleus in physics, the extremely dense central core of an atom . The Nature of the Nucleus Composition Atomic nuclei are composed of two types...

Nucleus Information Service Inc.
The Internet is the most powerful communications medium ever created and as the technology matures it will become even more so. Nucleus has been in this business ...

nucleus: Information from Answers.com
nucleus Central, positively charged core of an atom . It consists of positively charged protons and neutral neutrons , known collectively as nucleons,

Atomic nucleus - Wikipedia, the free encyclopedia
The nucleus is the very dense region consisting of protons and neutrons at the center of an atom. It was discovered in 1911, as a result of Ernest Rutherford's ...