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. 2024 Jul 27;20:335. doi: 10.1186/s12917-024-04153-1

Fig. 7.

Fig. 7

Paraffin sections illustrating distribution of intestinal mast cells in control fish, stained with alcian blue PH2.5/safranin O. Mast cells displayed as red and blue granules. (A and B) Distribution of mast cells within the blood vessels, with most cells exhibiting blue-colored granules. (C and D) Distribution of mast cells within the epithelium, characterized by red granules (double arrowheads). (E) mast cells containing a mixture of blue and red granules within its cells, characterized by their blue granules (arrowheads)