corona radiata

(redirected from radiate crown)
Also found in: Medical.

corona radiata

[kə′rō·nə ‚rā·dē′äd·ə]
(histology)
The layer of cells immediately surrounding a mammalian ovum.
References in periodicals archive ?
Known as the radiate crown of Helios, it was worn by Ptolemy III in coins struck by his successor Ptolemy IV as a symbol of the triumphs Ptolemy III had mastered (see, e.