centrosphere

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cen·tro·sphere

(sĕn′trə-sfîr′)

1. The mass of cytoplasm surrounding the centriole in a centrosome.

2. The central part of the earth, usually the part beneath the lithosphere but sometimes the part beneath the mantle.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

centrosphere

(ˈsɛntrəˌsfɪə)

1. (Geological Science) a former name for core⁴

2. (Genetics) another name for centrosome

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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References in periodicals archive ?

According to Sentein (34,38), treatment with CHX can produce a reduction in astral expansion, condensation of the centrosphere, and a separation of poles and asters from the nuclei.

Compounds used to produce cloned animals are genotoxic and mutagenic in mammalian assays in vitro and in vivo

The presence of "centrospheres" in cell division of liverworts was described by the early cytologists and quadripolar spindles in meiosis arising from four such centrospheres were clearly described prior to 1900.

Sporogenesis in bryophytes: patterns and diversity in meiosis

Farmer (1895) clearly illustrated four asters of microtubules radiating from "centrospheres" in the quadrilobed sporocytes and described an unusual quadripolar spindle in Aneura multifida.