Assertion: ovum's cytoplasm | /r/HasProperty | guarded by the zona pellucid
Facets:
Source sentences:
text: Ovum has a nucleus that is surrounded by cytoplasm, which is guarded by the zona pellucid and the follicular cells.
text: Ovum has a nucleus that is surrounded by cytoplasm, which is guarded by the zona pellucid and the follicular cells.