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.
What Year is the Penny made of Copper. The U.S. penny, or one-cent, was made of copper mid-way 1982 and older. Since the switch over occurred during the year 1982, the only safe way to know if your penny is copper is if the date is 1981 or older. The copper penny is 95% copper and there are approximately 147 copper pennies per pound.