n 1  :  one of the cells that line the lumen of the fundic glands of the stomach  a  :  a small cell with granular cytoplasm that secretes pepsin  b  :  a larger cell with hyaline cytoplasm and a mucoid secretion - compare PARIETAL CELL   2  :  one of the secretory cells of the parathyroid glands .
 
 
 
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