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. 2023 May 29;13:8665. doi: 10.1038/s41598-023-34044-8

Figure 1.

Figure 1

Histological analysis of the pseudobranch of Molly fish. (A) The pseudobranch (arrowhead, inserted image) is situated in the opercular cavity (arrow) and supplied with an afferent artery (AA) (Crossmon's trichrome). (B) The lamellae consist of a central blood capillary (arrows), which was surrounded by pseudobranch cells (arrowhead) (Crossmon's trichrome). (C) The lamellae comprise several rows of parallel lamellae (arrowheads) that are fused by a thin connective tissue (HE).