Muscles
61extrinsic gas bladder muscles — muscles with one end inserting on the gas bladder and the other end inserting elsewhere, as opposed to intrinsic …
62extrinsic eye muscles — muscles attached to the eyeball and orbital wall for eye movement. The same in jawed and jawless fishes except the superior obliques which attach posteriorly in the orbit in the jawless fishes instead of anteriorly …
63pallial retractor muscles — Muscles that withdraw the edge of the pallium into the shell …
64somato-esophageal muscles — Muscles common to the esophageal region …
65somato-intestinal muscles — Muscles found in the region of the intestine, extending from the body wall …
66intercostal muscles — muscles that occupy the spaces between the ribs and are responsible for controlling some of the movements of the ribs. The superficial external intercostals lift the ribs during inspiration; the deep internal intercostals draw the ribs together… …
67congenerous muscles — muscles having a common action or function …
68emergency muscles — muscles that ordinarily are not required to do something but that aid the prime movers when something is done that requires great force …
69facial muscles — muscles of facial expression musculi faciei …
70perineal muscles — muscles of perineum musculi perinei …