T and B cells. Lymphocytes originate from stem cells in the bone marrow; these stem cells divide continuously, releasing immature lymphocytes into the bloodstream. Some of these cells travel to the thymus, where they multiply and differentiate into T lymphocytes, or T cells.
Cellophane is a thin, transparent sheet made of regenerated cellulose. Its low permeability to air, oils, greases, bacteria and water makes it useful for food packaging. Cellophane is in many countries a registered trade mark of Innovia Films Ltd based in Wigton, Cumbria, United Kingdom.
They are generally sold in dried form, boiled to reconstitute, then used in soups, stir fried dishes, or spring rolls. They are called cellophane noodles or glass noodles because of their appearance when cooked, resembling cellophane, a clear material of a translucent light gray or brownish-gray color.