Follicular lumen

From Wikipedia, the free encyclopedia
Jump to: navigation, search

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]


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