t-cell

neuroimmune nicotinic acetylcholine receptor pro-inflammatory celiac homeostasis nervous system parasympathetic cholinergic ganglia acetylcholine white blood cells helper cell receptors background activation icon isolated adaptive immune cd4 nucleus cd4 cd8 systemic inflammation leukocytes corona adaptive design antigen presenting fight types cytotoxic lymphocyte b-lymphocyte vector t-cell lymphoid structure blood immunity infection macrophage lymphocytes cytokines antibodies helper healthy science antigen immune disease white response apoptosis leukocyte leukemia cancer tumor diagram target medicine health chimeric therapy gene biology antibody cytotoxic human immunotherapy