Cytokines - made upon demand, in response to a signal 2. Hormones - can be synthesized as needed or stored, primarily work over distance 3. Neurotransmitters - preformed, await release signal B. Autoimmune Disease C. Nervous and Immune Parallels 1. Specificity Review Questions 1. D. Chitin E. Lysozyme 2.
Cytokines are important soluble mediators of immune function.
The T lymphocytes secrete IL-2, which aids in the B lymphocyte response to . Neutrophils orient themselves to pathogens by , and when they arrive at the site of pathogenic invasion release soluble mediators like and prostaglandins. A. Liver B. Spleen C. Blood D. Skin E. Mucosal Tissue 7. The MHC proteins, I and II, both serve as flags or markers of what is going within a cell.