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Serous Secretory Cells
This is a higher resolution (oil immersion) micrograph of the cells seen in the preceding image (# 5). The lumen (A) of the serous acinus is evident and is completely bounded by the apical portions of serous secretory cells. Each cell has a large portion of its cytoplasm filled with acidophilic serous secretory granules (B). The granules are released in a merocrine fashion into the lumen upon vasomotor stimulation by the parasympathetic division of the autonomic nervous system.
Legend
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A - lumen of serous acinus |
C - fat cell |
