Barrier Immunity Flashcards
Define Barrier Organs, Microbiota, and Microbiome
What does Barrier immunity refer to?
What is MALT
What microbes live in harmony with out body?
What are all barrier surface lined with?
How does that help with immunity? (3)
How is homeostasis maintained between microbes and the immune system?
What physical barriers are used in the skin, stomach and respiratory tract?
Define enterocytes, paneth cells, tuft cells, AT1/AT2 cells?
What immunoglobulin is used in all barrier tissues?
Define characteristics (7)
What APCs are present in barrier epithelial cells? (5)
What role do innate lymphoid cells play in barrier immunity?
What are the different types of barrier immune responses?
What role do regulatory T cells play in barrier immunity?
What role do CD8 T cell play in barrier immunity?
What role do lymphoid tissues place in barrier immunity?
How does the barrier immune system initiate tolerogenic and inflammatory responses to microorganisms>
What are the three layers of the skin
Does it produce mucus
Where are the keratinocytes located?
What do the Langerhans’ cell in the skin do?
What lymphocytes are included in the epidermis?
What do Treg cells do in the skin?
What is the most common bacteria on the skin?
Are bacteria on the skin only protective?
What microbes does the GI tract host?
How does the immune system differ in the small and large intestine?
What are the different layers of the gut surface?
What are intestinal epithelial cells?
What’s the most common type?
What are other types?
What intestinal cells sample antigens in the lumen and transfer them to the lamina propria?
What are one of the first line of defense against pathogens in the intestine?
What is the difference between ILC3s and Th17 in intestinal homeostasis?
What is intestinal dysbiosis?
The gut immune system recognizes and responds to pathogens in two phases, what are they?
What is the anatomy of the respiratory tract?
What epithelial cells are in the upper respiratory tract?
What is the respiratory immunity overview?
