MALT

What is the function of MALT

Protect from pathogens tryng to enter the body

What are the largest collections of MALT

tonsils, peyer's patches, appendix

What is the function of the tonsils

Gather and remove many of the pathogens entering the pharynx in food or air intake

What are the different types of tonsils

Palatine - either side of the posterior end of oral cavity - largest

Lingual - base of tongue

Pharyngeal - posterior wall of nasopharynx

Tubal - openings of auditory tubes into the pharynx

Swollen pharyngeal tonsils are known as

Adenoids

What are Peyers Patches

Large clusters of lymphoid follicles structurally similar to tonsils.

Where are Peyers Patches

ileum

Describe the appendix

Tubular offshoot of the large intestine and contains a high concentration of lymphoid follicles

What does the appendix do

Prevents bacteria from breaching intestinal wall

Generate many "memory" lymphocytes for long-term immunity