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. 2021 Dec 19;240(6):1095–1126. doi: 10.1111/joa.13614

FIGURE 13.

FIGURE 13

Dissected myosepta of Malacosteus australis (USNM 296675, 110 mm SL) photographed under polarized light. (a) Myoseptum of V16 at 0,39L. ECT, ENTB and EPTB present. Dense connective tissue in insertion area of red musculature (RMA). (b) Myoseptum of V29 at 0,69L. ECT, ENTB and EPTB present. VSAC present. Tendons within bundles of RM dorsal and ventral to HM. (c) Myoseptum of V38 at 0,87L. LTs present, however, interrupted in sloping parts. (d) Myoseptum of V39 at 0,89L. LTs present, however, interrupted in sloping parts. (e) Myoseptum of V41 at 0,91L. DAC/VAC anteriorly elongated. LTs continuous from anterior cones to posterior cones. 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; R, rib; RMA, attachment site of red musculature; RMTs, tendons within red muscle bundles; VAC, ventral anterior cone; VSAC, ventral secondary anterior cone; VPC, ventral posterior cone