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astrosphere

[ as-truh-sfeer ]

noun

, Biology.
  1. the central portion of an aster, in which the centrosome lies.
  2. the whole aster exclusive of the centrosome.

astrosphere

/ ˈæstrəˌsfɪə /

noun

  1. See centrosome
    another name for centrosome
  2. Also calledattraction sphere the part of the aster excluding the centrosome

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Word History and Origins

Origin of astrosphere1

First recorded in 1895–1900; astro- + sphere

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