1303 Solitaire, Round Rock, TX 78665 is a single family home built in 1997. This property was last sold in 2003 and currently has an estimated value of $288,900.
B cells are part of the humoral immunity (not the cell-mediated immunity). Leukocytes are any white blood cell (B cells, T cells, macrophages, granulocytes, etc.), only some of which are involved in cell-mediated immunity.
1 Active humoral immunity is the development of antibodies in response to stimulation by an antigen. 2  Passive immunity. 3  Once formed, those antibodies can be removed from the host and transferred into another recipient where they provide immediate passive immunity.