The follicular phase begins with an increase in follicle-stimulation hormone (FSH), which causes increases in luteinizing hormone (LH) and gonadotropin-releasing hormone (GnRH). Concurrent increases in estrogen levels cause increases in progesterone, stimulating proliferation of the endometrium.
Examples of insulators include plastics, Styrofoam, paper, rubber, glass and dry air. The division of materials into the categories of conductors and insulators is a somewhat artificial division. It is more appropriate to think of materials as being placed somewhere along a continuum.
Uncoated paper stock is paper that has not been coated with a surface sealant. Inks dry by absorbing into the paper. This paper type can dull the colors that are printed. Uncoated papers comprise a vast number of paper types and are available in a variety of surfaces, both smooth and textured. Some of the common types are wove or smooth, laid and linen. Wove or Smooth â this has a very smooth surface. Laid â laid paper is created with textured lines on its surface. This finish is used mostly for business stationery elements, like letterhead, envelopes and business cards. Linen â similar to a laid finish, this paper has textured lines on the surface of the sheet, but they are finer and more regular than those that appear on a laid finish stock. This paper is also used frequently for business stationery. Coated One Side and Coated Two Sides