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Fig. 2 | Zoological Letters

Fig. 2

From: Etmopteridae bioluminescence: dorsal pattern specificity and aposematic use

Fig. 2

Spine-associated luminous structure analyses. Schematic view of the second dorsal spine; second dorsal spine images; second dorsal fin cross sections and skin base of the second spine of E. spinax (a, d, g, j), E. splendidus (b, e, h, k) and E. molleri (c, f, i, l) respectively. All sections are Masson’s trichrome stained. Cl: connective layer; D: dermal denticle; Ep: epidermis; L: lens; Ph: photocytes; Ps: pigmented sheath; SAP: spine associated photophores; SBAP: spine base associated photophores

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