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. 2023 Oct 26;24(21):15619. doi: 10.3390/ijms242115619

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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(a) Scanning electron microscope micrograph of a median section of a zebrafish head. Well-developed lips (asterisks), semilunar valve (arrow), taste buds (arrowheads), mucosal folds (#), muscular tissue (MT). (b) Light micrograph (Masson’s trichrome with aniline blue staining): taste buds (inset), semilunar valve (black arrow). Stratified epithelium (E); connective tissue (ct); mucous cells (stars); adipocytes (A); bone (BT); cartilage (C); muscular tissue (MT). (c) High magnification of taste buds (arrowheads) of inset in image. Scale bar: 1 mm (a). Magnification 10×, scale bar 100 µm (b). Magnification 63× oil, scale bar 10 µm (c).