follicle of the thyroid gland

follicle of the thyroid gland

n.
Any of the small spherical vesicular components of the thyroid gland lined with epithelium and containing a colloid substance that stores thyroid hormones.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
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