1 The trenchless slip-lining method (in which a new, smaller-diameter is installed inside the existing sewer line) or relining (both of which reduce the overall interior diameter of the sewer line) typically cost $80-$250 or more a foot, or $4,000-$25,000 or more for a typical household sewer. Smaller projects generally cost more per foot. 2  To replace sewer lines less than 50' long, CostHelper readers paid $5,500-$6,800 or $148-$550 per foot for traditional trenching projects, at an average cost of $6,167 or $232 per foot.
The thymus gland is an organ in the upper chest cavity that processes lymphocytes, a type of white blood cell that fights infections in the body. This organ is part of both the lymphatic system, which makes up a major part of the immune system, and the endocrine system, which includes all glands that produce hormones.The thymus is most important in children and young adults, when it programs lymphocytes to attack antigens, like viruses.his organ is part of both the lymphatic system, which makes up a major part of the immune system, and the endocrine system, which includes all glands that produce hormones. The thymus is most important in children and young adults, when it programs lymphocytes to attack antigens, like viruses.
it is an organ of immunogenesis- immunologically competent lymphocytes are produced. â¦thymosin is a hormone secreted by the gland. it acts on the lymph nodes to produce T-lymphocytes. it is a part the immune system   The thymus gland acts like a thermostat to provide the right balance of immunity. site of lymphocytes production The thymus gland lies beneath the sternum (breastbone) and above the trachea (wind pipe) and heart. There are two lobes to this gland and each are made of Lymphatic tissue.