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Hassall's corpuscles

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Spherical or oval eosinophilic bodies, diameter 30 - 100 ยต, present in the medulla of the thymus gland. Each consists of central area of degenerated (necrotic or hyaline) cells surrounded by concentrically arranged flattened or polygonal cells. The number increases until puberty, then decreases.


  • A. H. Hassall:
    The microscopic anatomy of the human body, in health and disease.
    2 volumes. London, 1846, 1849. Page 9.

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