Exam 3-Chapter 10 Flashcards
what is a benefit of mucous?
think with enzymes
what is a benefit of mucins?
bind to the negatively charged bacteria
where are mucins located?
glycoprotein that make up the mucous layer
where is mucous present?
on mucosal surfaces
what is a benefit of commensals?
provides metabolic building blocks that cannot be made from human cells
what are some functions of commensals? (4)
- provides enzymes to convert indigestible forms into metabolites
- neutralize toxins that enter GI
- compete for resources with pathogenic bacteria
- interact with epithelia to trigger development of lymphoid tissue
name lymphoid tissue of the mucosal membranes
- peyers patches ( small intestine)
- tonsils and adenoids (entrance to the gut)
- mesenteric lymph nodes
what is the function of mesenteric lymph nodes
sample and monitor contents of gut
what is an inductive compartment
location of interactions between antigen, dendritic cells and lymphocytes to trigger adaptive responses
what are effector compartments?
effector cells
in anti inflammation non muscosal tissues use what to induce an inflammatory response
activated macrophages
what other cells are involved in non mucosal anti-inflammation
neutrophils, NK cells, t lymphoytes