Meaning of vitelline membrane in English:

vitelline membrane


  • A transparent membrane surrounding and secreted by the fertilized ovum, preventing the entry of further spermatozoa.

    ‘Each embryo is surrounded, from exterior to interior, by the chorion, the vitelline membrane and the embryonic membrane.’
    • ‘The cortical granule contents contribute to the vitelline membrane to form the fertilization membrane, and also provide a hyaline layer between it and the egg's plasma membrane.’
    • ‘Transcript destabilization fails in mutants with a defective vitelline membrane.’
    • ‘Mechanical devitellinization was performed by exerting gentle pressure on the coverslip to burst the vitelline membrane.’
    • ‘The vitelline membrane was removed with forceps from the oocytes immediately before the experiments.’