Page 372 - Veterinary Immunology, 10th Edition

in unsensitized animals. NK cells probably originate from the same
VetBooks.ir stem cells as T cells but do not undergo thymic processing. They are

widely distributed throughout the lymphoid organs. They account
for 5% to 10% of blood lymphocytes. Other innate lymphoid cell

populations are also found in tissues, especially in the intestine,
respiratory tract, and skin (Chapter 19).

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