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.
The first decimal coins were circulated in 1968. These were the five pence (5p) and ten pence (10p), and had values of one shilling (1/-) and two shillings (2/-), respectively, under the pre-decimal Â£sd system.The decimal coins are minted in copper-plated steel (previously bronze), nickel-plated steel, cupro-nickel and nickel-brass. The two-pound coin is bimetallic.n the years just prior to decimalisation, the circulating British coins were the half crown (2/6), two shillings or florin (2/-), shilling (1/-), sixpence (6d), threepence (3d), penny (1d) and halfpenny (1â2 d). The farthing (1â4 d) had been withdrawn in 1960.