FIGURE 15.

Dissected myosepta of Sigmops elongatus (MNHN 2003 1394, 175 mm SL) photographed under polarized light. (a) Myoseptum of V17 at 0,46L. ECT, ENTB and EPTB present. Dense connective tissue in insertion area of the superficial RM and tendons dorsal and ventral to HM within the bundles of RM. (b) Myoseptum of V25 at 0,63L. ECT, ENT and EPTB present. LTs extending from anterior into posterior cones. (c) Myoseptum of V31 at 0,76L. LTs present. Abbreviations: DAC, dorsal anterior cone; DPC, dorsal posterior cone; ECT, epicentral tendon; ENTB, epineural tendon bone; EPTB, epipleural tendon bone; F.NL, foramen for the nervus lateralis; HM, horizontal midline; LT, lateral tendon; MT, myorhabdoid tendon; RMA, attachment site of red musculature; RMTs, tendons within red muscle bundles; VAC, ventral anterior cone; VPC, ventral posterior cone