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.
First U.S. penny sold for $1.2 million. The first U.S. penny sold for nearly $1.2 million Thursday night at an auction in Baltimore. The first U.S. penny is 223 years old, and is also worth a lot more than one cent. It sold for nearly $1.2 million Thursday night at an auction in Baltimore. The coin, known as the Birch Cent, was made in 1792, months after the one-cent denomination was first authorized by Congress, according to the auction house Stack's Bowers Galleries. It was made in a trial run for the penny, and depicts Lady Liberty.