Assertion: ovum | /r/HasProperty | formed
Facets:
value: from one oogonium
type: LOCATION
Source sentences:
text: Only one ovum is formed from one oogonium.
text: Sperms are produced in the testes, where four sperms are formed from one spermatogonium, whereas Ovum are produced in ovaries, and only one ovum is formed from one oogonium.
text: Ovum is formed and released cyclically.