History. 1  Among first inhabitants were the Penteka. 2  1849 Capt. Randolph Marcy, U. S. Army engineer passes through scouting out West Texas to California routes. 3  1858 The Texas legislature establishes Taylor County from Bexar and Travis counties. The county is named for Alamo defenders Edward, James, and George Taylor.
When an antibody attaches to an antigen, it helps the body destroy or inactivate the antigen. antigen âa substance or molecule that is recognized by the immune system. The antigen can be from foreign material such as bacteria or viruses.antiserum âa serum rich in antibodies against a particular microbe.nnate âan immune system function that is inborn and provides an all-purpose defense against invasion by microbes. interferon âa protein produced by cells that stimulates antivirus immune responses or alters the physical properties of immune cells.
A group of white blood cells called lymphocytes plays a key role in the human immune response. Lymphocytes include cells called B-cells and T-cells that are responsible for flagging and fighting infections in healthy individuals.Antigens are substances that elicit the response of T-cells and B-cells in the body.When a T-cell recognizes a specific antigen, it binds to the substance and produces chemicals called cytokines. group of white blood cells called lymphocytes plays a key role in the human immune response. Lymphocytes include cells called B-cells and T-cells that are responsible for flagging and fighting infections in healthy individuals.