Organ pipes are generally made out of either metal or wood. Very rarely, glass, porcelain, plastic, paper, Papier-mÃ¢chÃ©, or even stone pipes may be seen. A historical organ in the Philippines has pipes made exclusively of bamboo. Metal pipes are usually made of lead; for increased rigidity it is alloyed with tin along with trace amounts of antimony and copper.
Lyme Disease IgM antibodies usually appear 1-2 weeks after an initial exposure and return to normal after about 6 to 8 weeks. IgG antibodies are detectable in most people 4-6 weeks after exposure but may be detectable sooner in some people. IgG antibodies may persist indefinitely.
1 IgM. 2  IgM antibodies are the largest antibody. 3  They are found in blood and lymph fluid and are the first type of antibody made in response to an infection. 4  They also cause other immune system cells to destroy foreign substances. 5  IgM antibodies are about 5% to 10% of all the antibodies in the body.6  IgE. They also cause other immune system cells to destroy foreign substances. 2  IgM antibodies are about 5% to 10% of all the antibodies in the body. 3  IgE. 4  IgE antibodies are found in the lungs, skin, and mucous membranes. 5  They cause the body to react against foreign substances such as pollen, fungus spores, and animal dander.