https://l450v.alamy.com/450v/mcrghm/fig-0-reconstruction-of-hinder-part-of-body-showing-trunk-musculature-and-cardiac-nerve-supply-seen-from-the-animals-left-side-the-heart-is-machine-stippled-attpcf-attachment-of-pericardial-floor-to-latera-body-wall-dim-dorsal-longitudinal-muscle-mdvbr-dorso-ventral-body-retractor-muscle-mhv-branch-ot-lateral-subpericardial-muscle-running-to-hepatic-valve-mlspc-lateral-subpericardial-muscle-nac-anterior-cardiac-nerve-nc-cardiac-nerve-npc-posterior-cardiac-nerve-npc-pericardiac-nerve-nsh4-fourth-shell-nerve-pcf-pericardio-furcal-muscle-mcrghm.jpg