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Crypts are anatomical structures that are narrow but deep invaginations into a larger structure.
One common type of anatomical crypt is the Crypts of Lieberkühn.[1] However, it is not the only type: some types of tonsils also have crypts. Because these crypts allow external access to the deep portions of the tonsils, these tonsils are more vulnerable to infection.
- ^ Principles of Physiology. Academic Publishers. p. 240. ISBN 978-81-89781-34-7.