zonae pellucidae

/Z OW1 N EY0 P EH0 L UW0 S IY0 D/
noun
  1. 1

    A glycoprotein membrane surrounding the plasma membrane of an oocyte.

Source: https://en.wiktionary.org/wiki/zona%20pellucida, https://en.wiktionary.org/wiki/zonae%20pellucidae