You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which of the following is associated with Von Brunn's nest? and explain in detail?
Nests of von Brunn:Proliferative invaginations of urothelium retaining continuity with the surface are termed von Brunn's buds. Well-defined solid nests of urothelial cells within the superficial lamina propria are termed von Brunn's nests. These two occur in most bladders, most commonly in trigone. They regarded as pa of the normal histology of bladder mucosa. Ref: Urologic pathology By Robe O. Petersen, Isabell A. Sesterhenn, Charles J. Davis, 2009, Page 137, 184.