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.
glomerular filtrate is plasma that has been filtered out of the glomerular capillaries and into the cappsular space. Tubular filtrate is glomerular filtrate after it has passed into the proximal convoluted tubule.he hilus is the area where blood and lymph vessels, nerves and the ureters enter and leave the kidney. The renal pelvis is the funnel shaped area inside the hilus. It is the urine collection chamber that forms the beginning of the ureter.