Disc lesions of the lumbar spine are more common than those of the cervical spine and disc lesions of the thoracic spine are rare. The term sciatica is used for the pain, tingling and numbness that arise due to nerve root entrapment in the lumbosacral spine.
The only way you can do this is to make your regular sugar into a syrup and whip it into a creamy type frosting such as 7-minute frosting made with egg whites. You need to use a recipe that calls specifically for granulated sugar and not for 10x, confectioner's or powdered sugar.
Icing is indeed different from frosting. For one, it is said to be thinner, and has a glossier appearance than the latter. Icing is said to be the term used in a more professional sense. It is like confectionerâs sugar combined with milk. Frosting is more of a thick, usually fluffy layer, like buttercream. Because of this, it is preferably used to cover the outer surface of the cake. The confusion sets in when the frosting is applied in such a way that it is purposely coated thinly on the cake.