Types of chemotaxins – C5a attracts neutrophils and monocytes – Made by bacteria Peptide clipped off N-terminus (beginning with Nformylmethionine) during peptide maturation after protein synthesis
Constitutive Defenses Barriers to entry – See Schaechter text, Table 6.1 Mucous membranes—covered by protective layer of mucus – Mechanical and chemical barrier that allows proper functioning