The majority of the cell's cytoplasm is occupied by mucinogen granules, except at the bottom.

The apical portion is shaped like a cup, as it is distended by abundant mucinogen granules; its basal portion is shaped like a stem, as it is narrow for lack of these granules.

The majority of the cell's cytoplasm is occupied by mucinogen granules, except at the bottom.

The apical portion is shaped like a cup, as it is distended by abundant mucinogen granules; its basal portion is shaped like a stem, as it is narrow for lack of these granules.