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Encyclopedia > Nucleus
Look up nucleus in Wiktionary, the free dictionary.

Nucleus may refer to: Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 151 languages. ...

In physics


The nucleus of an atom is the very small dense region, of positive charge, in its centre consisting of nucleons (protons and neutrons). ... An ice nucleus is a particle which acts as the nucleus for the formation of an ice crystal in the atmosphere. ... Aerosol pollution over Northern India and Bangladesh - NASA Cloud condensation nuclei or CCNs (also known as cloud seeds) are small particles (typically 0. ...

In biology

  • Cell nucleus, the control center of a cell, which contains the cell's chromosomal DNA
  • Nucleus (neuroanatomy), a central nervous system structure composed mainly of gray matter

HeLa cells stained for DNA with the Blue Hoechst dye. ... In neuroanatomy, a nucleus is a central nervous system structure that is composed mainly of gray matter, and which acts as a hub or transit point for electrical signals in a single neural subsystem. ...

In astronomy

The solid, central part of a comet is known as the comet nucleus. ... The nucleus of a galaxy is a large feature, most easily observed in spiral galaxies. ...

In phonology

  • Syllable nucleus, the central part of a syllable
  • Sentence nucleus, the syllable which receives the greatest stress in a word

In phonetics and phonology, the nucleus is the central part of the syllable, mostly commonly a vowel. ...

In computer systems

// Over view Nucleus CMS is an open-source content management system written in PHP, with a MySQL backend, primarily written and maintained by Wouter Demuynck. ... Nucleus RTOS is a real-time operating system (RTOS) and full featured toolset created by Accelerated Technology, the Embedded Systems Division of Mentor Graphics for various CPU platforms. ...


Nucleus were a pioneering British jazz-rock band that continued in different incarnations from 1969-85. ... Nucleus is a downloadable game on the PlayStation Store. ... Nucleus Limited began as a private company, Nucleus Holdings Pty Ltd, Sydney Australia, in 1967, founded by former Watson-Victor executive Paul Murray Trainor, after aquistion of X-ray sales & service company Scientific & General. ...

See also

The nucleolus is contained within the cell nucleus. ... Look up nuclear in Wiktionary, the free dictionary. ... Bubbles in a soft drink each nucleate independently, responding to a decrease in pressure. ... Look up nucleic acid in Wiktionary, the free dictionary. ... Image File history File links Disambig_gray. ...

  Results from FactBites:
Nucleus Information Service Inc. - Welcome (218 words)
Nucleus consultants understand the importance of delivering superior customer service and the personal touch.
Our staff members are on hand to answer all questions and are more than happy to help out where they can.
At Nucleus, our success comes from doing what we do best: combining technical know-how with the highest level of customer support and service available in the Internet industry.
Nucleus (211 words)
The nucleus is found in all eukaryotic cells; this membrane-bound structure contains most of the cell's genetic material (excluded material is primarily the DNA found in mitonchondria).
The two primary functions of the nucleus are to control cytoplasmic chemical reactions, and to store information necessary for cell division.
Inside the nucleus are one or several nucleoli surrounded by the nucleoplasm made up of dissolved nucleotide triphosphates, enzymes, proteins, and transcription factors, and a network of fibers called the nuclear matrix.
  More results at FactBites »



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