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 The following element is an impoant constituent in Paneth cells: and explain in detail?
Paneth cells, located in the basal poion of the intestinal crypts below the stem cells, are exocrine cells with large, eosinophilic secretory granules in their apical cytoplasm. Paneth cell granules undergo exocytosis to release lysozyme, phospholipase A2, and hydrophobic peptides called defensins, all of which bind and breakdown membranes of microorganisms and bacterial walls. Paneth cells have an impoant role in innate immunity and in regulating the microenvironment of the intestinal crypts. They also contain Zinc. Ref: Paulsen D.F. (2010). Chapter 15. Digestive Tract. In D.F. Paulsen (Ed), Histology & Cell Biology: Examination & Board Review, 5e.