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Fig. 7 | Zoological Letters

Fig. 7

From: Regeneration of the digestive tract of an anterior-eviscerating sea cucumber, Eupentacta quinquesemita, and the involvement of mesenchymal–epithelial transition in digestive tube formation

Fig. 7

Histology of the tissues at stage III. Histological sections of the anterior (a-f, i) and posterior (g, h) regions of the body at stage III. b, d, f, h are high-magnification views of the boxed areas in a, c, e, g, respectively. a, b Cross section, 6 dpe, stained with HE. c, d Cross section, 7 dpe, stained with TB. e, f Longitudinal section of the oral region, 7 dpe, stained with TB. The right side of this figure is anterior. g, h Posterior region, 6 dpe, stained with HE. The animal was sliced perpendicular to the oral-aboral axis but a longitudinal section of the regenerating tube was made. In the lumen, a mass of obscure material is observed (arrowhead). bw, body wall; cl, cloaca; gd, gonadal duct; mes, mesentery; rt., respiratory trees. Scale bar 500 μm in a, e, g; 200 μm in c; 50 μm in b, d, h, f

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Zoological Letters

ISSN: 2056-306X

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