Wiktionary
chief cell
n. (context physiology English) A cell located in the stomach and parathyroid gland that secretes precursor enzymes.
Wikipedia
Chief cell
In human anatomy, there are three types of chief cells, the gastric chief cell, the parathyroid chief cell, and the type 1 chief cells found in the carotid body.
Usage examples of "chief cell".
Not quite in the center of the burrow, carefully chosen to serve as a refuge in case of extreme danger from siege if not from immediate pursuit, lies the chief cell.