from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The cytoplasm of an egg or ovum


Sorry, no etymologies found.


  • Instead of transplanting the pronuclei, these researchers injected another woman's ooplasm - the substance inside the cell that contains the mitochondrial DNA and bathes the nucleus - into the egg cell of the mother with faulty mitochondrial DNA.

    Boing Boing: September 4, 2005 - September 10, 2005 Archives


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  • Biol. The cytoplasm of an egg. Also: each of the regions of the cytoplasm of an egg which develop into distinct structures in the body.

    Mycol. In an oomycete, esp. one of the order Peronosporales: the central portion of the oogonial cytoplasm, which becomes the oosphere.

    August 4, 2008