Two types - one type is characterized by individual cells that are separated by the formation of septa or cross-walls, with each cell having a typical eukaryotic structure. The second type is coenocytic, in which cross-walls are not present to form individual cells.
In Polish the meaning of the name Jack is: God is gracious. English Meaning: The name Jack is an English baby name. In English the meaning of the name Jack is: God is gracious. During the Middle Ages, Jack was so common that it was used as a general term for 'man' or 'boy'.Famous Bearer: American actor Jack Lemmon.n Polish the meaning of the name Jack is: God is gracious. English Meaning: The name Jack is an English baby name. In English the meaning of the name Jack is: God is gracious. During the Middle Ages, Jack was so common that it was used as a general term for 'man' or 'boy'.
See also the related form, Jay (English and Indian). Jack is very popular as a baby name for boys. At the height of its usage in 1927, 1.101% of baby boys were given the name Jack. It ranked at #16 then. The baby name has since experienced a substantial loss in popularity, and in recent years it is of occasional use.