Giving the hormone prostaglandin ripens the cervix, meaning the cervix softens, thins out, or dilates. The lithosphere thins seaward as it transitions seaward to oceanic crust. In the 1990s Pampers introduced a thinner diaper known as Ultra Dry Thins. The protozooid first thins and elongates, the middle section becoming the stem of the colony. Crusting is a process that thins and lubricates leather. The crust thins and sinks, forming a rift basin. The stratum extends in all directions until it thins out or encounters a barrier. Wheat Thins themselves come in many flavors and varieties. As this ice layer thins, the microorganisms show through grey. At the extremities the compact layer thins. Its thickness is greatest in eastern Pennsylvania and thins westward into Ohio. Keratolytic therapy thins the skin on and around the lesion. Its wall is thickest at the apex and thins towards its base at the atrium. Along the edges, it thins to less than . Munney becomes angry and breaks all thins and oes.