Centuries: 2nd century - 3rd century - 4th century
Decades: 220s 230s 240s 250s 260s - 270s - 280s 290s 310s 320s 330s
Years: 270 271 272 273 274 - 275 - 276 277 278 279 280
... from Ova
An ovum (or loosely, "egg" or "egg cell") is a female gamete. In higher animals, ova are produced by organs called ovaries.
The word is derived ...
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