Follicular lumen

A follicular lumen is the closed cavity within a follicle of the thyroid gland. It is surrounded by follicular cells and filled with colloid, a concentrated solution of thyroglobulin.[1]

References

  1. ↑ The Thyroid Follicle, Endocrinology by J. Larry Jameson, MD, PhD and Leslie J. De Groot, MD, chapter 72



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