parafollicular cell

[ păr′ə-fə-lĭkyə-lər ]

n.

Any of the cells rich in mitochondria occurring in the thyroid epithelium, especially around the follicle.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.