Introduction to Histology assignment 1

Please answer each question in detail and picture is required and references

I need high quality of work, and remember this is a Histology paper so please make sure you include histology. Like description of the cell, nucleus, staining etc.

It has to be at least 4 pages long.   

1: Describe the different histological cells that play a role in immunity? What are Pyer’s patches?

2: What type of cells play a role in immunity in spleen and thymus? What are Hassel corpuscles?