The receptors match only one specific antigen. White blood cells called lymphocytes originate in the bone marrow but migrate to parts of the lymphatic system such as the lymph nodes, spleen, and thymus. There are two main types of lymphatic cells, T cells and B cells.nce activated, helper T cells start to divide and to produce proteins that activate B and T cells as well as other immune cells. The killer T cell is specialized in attacking cells of the body infected by viruses and sometimes also by bacteria. It can also attack cancer cells.
Use tubercular in a sentence. 1  of, like, or having a tubercle or tubercles. 2  of, relating to, or having tuberculosis. 3  caused by the tubercle bacillus.
A tuberculoma is a clinical manifestation of tuberculosis which conglomerates tubercles into a firm lump, and so can mimic cancer tumors of many types in medical imaging studies.Since these are evolutions of primary complex, the tuberculomas may contain within caseum or calcifications.ith the passage of time Mycobacterium tuberculosis (also called Bacillus Koch) can transform into crystals of calcium. These can affect any organ such as the brain, intestine, ovaries, breast, lungs, esophagus, intestine, liver, pancreas, bones, and many others.