Pacinian corpuscle, with its system of capsules and central cavity. - a. Arterial twig, ending in capillaries, which form loops in some of the intercapsular spaces, and one penetrates to the central capsule. - b. The fibrous tissue of the stalk. - n. Nerve tube advancing to the central capsule, there losing its white matter, and stretching along the axis to the opposite end, where it ends by a tuberculated enlargement.

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