Oocyte. Definition. noun, plural: oocytes. (1) A female gametocyte. (2) A developing female germ cell. Supplement. The oocyte is an immature female sex cell. It starts off as an oogonium by the process of oocytogenesis, and matures to give rise to a fully mature ovum or egg cell and ootid (by ootidogenesis).In humans, the oocytes are of two types: 1  primary oocytes.2  secondary oocytes.2) A developing female germ cell. Supplement. The oocyte is an immature female sex cell. It starts off as an oogonium by the process of oocytogenesis, and matures to give rise to a fully mature ovum or egg cell and ootid (by ootidogenesis).
The first predominantly copper small cent was isâ¦sued in 1864, after the 1856-1863 cents were a 88-12 copper-nickel alloy that gave them a nickel-like appearance. In 1982, the US mint began using a copper coated zinc alloy for pennies, ending the run of the solid copper penny. 18 people found this useful.
These issues with commodities led people to create coins out of precious metals to use as money. No one knows for sure who first invented such money, but historians believe metal objects were first used as money as early as 5,000 B.C. Around 700 B.C., the Lydians became the first Western culture to make coins.he first paper money issued in the United States occurred on March 10, 1862. The $5, $10, and $20 bills issued were made legal tender by an act of Congress on March 17, 1862.