corona radiata

[kuh-roh-nuh rey-dee-ey-tuh]
noun, plural co·ro·nae ra·di·a·tae [kuh-roh-nee rey-dee-ey-tee] /kəˈroʊ ni ˌreɪ diˈeɪ ti/. Anatomy.
  1. the layer of follicle cells surrounding an ovum and remaining attached to it following ovulation.

Origin of corona radiata

From New Latin, dating back to 1840–50; see origin at corona, radiate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018