Discovery reports (1962) Discovery reports discoveryreports31inst Year: 1962 B rm gg st Text-fig. 16. Swimbladders of Electrona antarctica (a, b and c) and E. tenisoni (d, e and f). b, c, e and F are ventral views. gg' gas-gland; hit, intestine; k, kidney; h, liver; ov, oval; oy, ovary; ra, retial artery; rv, retial vein; rm, rete mirabile; sb, swimbladder; st, stomach; vov, vein to oval, (a, x 3-5 ; b, x 15 ; c, x 17-5; d, x 6; E, x 18; F, x 14.) The fish from St. 2535 has a rather larger swimbladder measuring nearly 4 mm. in length. In this, the arterial supply for the retia mirabilia c

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Discovery reports (1962) Discovery reports discoveryreports31inst Year: 1962 B rm gg st Text-fig. 16. Swimbladders of Electrona antarctica (a, b and c) and E. tenisoni (d, e and f). b, c, e and F are ventral views. gg' gas-gland; hit, intestine; k, kidney; h, liver; ov, oval; oy, ovary; ra, retial artery; rv, retial vein; rm, rete mirabile; sb, swimbladder; st, stomach; vov, vein to oval, (a, x 3-5 ; b, x 15 ; c, x 17-5; d, x 6; E, x 18; F, x 14.) The fish from St. 2535 has a rather larger swimbladder measuring nearly 4 mm. in length. In this, the arterial supply for the retia mirabilia came from the coeliaco-mesenteric vessel. The walls of the bladder were quite thin. Finally, the swimbladder of the 59-mm. fish measured no more than 2-0 and V2 mm. across the major and minor axes. It is clear that the organ regresses during the adult phase.

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