Assertion: oogenesis | /r/HasProperty | the creation of an ovum
Facets:
value: rarely
type: DEGREE
Source sentences:
text: Oogenesis or rarely oögenesis is the creation of an ovum (egg cell).
text: Spermatogenesis is the formation of spermatozoa, whereas oogenesis is the formation of ova.
text: Oogenesis is the formation of the ovum, and spermatogenesis is the formation of the sperm.
text: Oogenesis or rarely oögenesis is the creation of an ovum (egg cell).
text: Oogenesis, ovogenesis, or oögenesis  is the creation of an ovum (egg cell).
text: Oogenesis or rarely oögenesis is the creation of an ovum (egg cell).
text: Oogenesis or rarely oögenesis is the creation of an ovum (egg cell).