| musculus abductor digiti minimi manus | (n) the abductor muscle of the little finger |
| musculus abductor digiti minimi pedis | (n) the abductor muscles of the little toe |
| musculus abductor hallucis | (n) the abductor muscle of the great toe |
| musculus abductor pollicis | (n) the abductor muscle of the thumb |
| musculus adductor brevis | (n) the short adductor muscle of the thigh |
| musculus adductor hallucis | (n) the adductor muscle of the great toe |
| musculus adductor longus | (n) the long adductor muscle of the thigh |
| musculus adductor magnus | (n) the muscle that adducts and extends the thigh, Syn. great adductor muscle |
| musculus articularis cubiti | (n) a small branch of the triceps that inserts into the capsule of the elbow joint |
| musculus articularis genus | (n) the articular muscle of the knee |
| musculus biceps femoris | (n) the biceps muscle of the thigh; it flexes the knee and rotates the leg laterally, Syn. femoral biceps |
| musculus sphincter ani externus | (n) an external ring of striated muscle surrounding the anus |
| musculus sphincter ani internus | (n) an internal ring of smooth muscle formed by circular fibers of the rectum |
| musculus sphincter ductus choledochi | (n) the smooth muscle sphincter of the common bile duct |
| musculus sphincter ductus pancreatici | (n) the smooth muscle sphincter of the main pancreatic duct |
| anal sphincter | (n) the sphincter muscle of the anus, Syn. musculus sphincter ani, sphincter ani |
| anconeous muscle | (n) the muscle that extends the forearm and abducts the ulna in pronation of the wrist, Syn. musculus anconeus |
| anterior serratus muscle | (n) muscles that rotate the scapula and elevate the rib cage, Syn. serratus anterior, musculus serratus anterior, serratus magnus |
| biceps brachii | (n) a muscle that flexes and supinates the forearm, Syn. biceps humeri, musculus biceps brachii |
| bladder sphincter | (n) the sphincter muscle of the urinary bladder; made up of a thickened muscular layer of bladder around the urethral opening, Syn. musculus sphincter vesicae |
| blue whale | (n) largest mammal ever known; bluish-grey migratory whalebone whale mostly of southern hemisphere, Syn. Balaenoptera musculus, sulfur bottom |
| cheek muscle | (n) a muscle that flattens the cheek and retracts the angle of the mouth, Syn. buccinator muscle, musculus buccinator |
| deltoid | (n) a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm, Syn. musculus deltoideus, deltoid muscle |
| external oblique muscle | (n) a diagonally arranged abdominal muscle on either side of the torso, Syn. musculus obliquus externus abdominis, abdominal external oblique muscle, oblique |
| house mouse | (n) brownish-grey Old World mouse now a common household pest worldwide, Syn. Mus musculus |
| intercostal | (n) muscles between the ribs; they contract during inspiration, Syn. intercostal muscle, musculus intercostalis |
| muscle | (n) one of the contractile organs of the body, Syn. musculus |
| pectoral | (n) either of two large muscles of the chest, Syn. musculus pectoralis, pectoral muscle, pectoralis, pecs |
| pectoralis major | (n) a skeletal muscle that adducts and rotates the arm, Syn. musculus pectoralis major, greater pectoral muscle |
| pectoralis minor | (n) a skeletal muscle that draws down the scapula or raises the ribs, Syn. musculus pectoralis minor, smaller pectoral muscle |
| posterior serratus muscle | (n) skeletal muscle that draws the rib cage backward and downward, Syn. serratus posterior, musculus serratus posterior |
| pupillary sphincter | (n) a ring of smooth muscle surrounding the iris, Syn. musculus sphincter pupillae |
| pyloric sphincter | (n) the sphincter muscle of the pylorus that separates the stomach from the duodenum, Syn. musculus sphincter pylori, pyloric valve |
| quadriceps | (n) a muscle of the thigh that extends the leg, Syn. quadriceps femoris, quad, musculus quadriceps femoris |
| rhomboideus major muscle | (n) rhomboid muscle that draws the scapula toward the spinal column, Syn. greater rhomboid muscle, musculus rhomboideus major |
| rhomboid minor muscle | (n) rhomboid muscle that draws the scapula toward the vertebral column and slightly upward, Syn. lesser rhomboid muscle, musculus rhomboideus minor |
| sartorius | (n) a muscle in the thigh that helps to rotate the leg into the sitting position assumed by a tailor; the longest muscle in the human body, Syn. sartorius muscle, musculus sartorius |
| scalenus | (n) any of four pairs of muscles extending from the cervical vertebrae to the second rib; involved in moving the neck and in breathing, Syn. scalene muscle, musculus scalenus |
| sternocleidomastoid | (n) one of two thick muscles running from the sternum and clavicle to the mastoid and occipital bone; turns head obliquely to the opposite side; when acting together they flex the neck and extend the head, Syn. sternocleidomastoid muscle, musculus sternocleidomastoideus, sternocleido mastoideus |
| temporalis muscle | (n) muscle extending from the temporal fossa to the coronoid process of the mandible; acts to raise the mandible and close the jaws, Syn. musculus temporalis, temporalis, temporal muscle |
| teres major | (n) teres muscle that moves the arm and rotates it medially, Syn. teres major muscle, musculus teres major |
| teres minor | (n) teres muscle that adducts the arm and rotates it laterally, Syn. teres minor muscle, musculus teres minor |
| tibialis | (n) either of two skeletal muscle in each leg arising from the tibia; provides for movement of the foot, Syn. tibialis muscle, musculus tibialis |
| transversus abdominis muscle | (n) a flat muscle with transverse fibers that forms the anterior and lateral walls of the abdominal cavity, Syn. transverse muscle of abdomen, musculus transversalis abdominis, transversus abdominis |
| trapezius | (n) either of two flat triangular muscles of the shoulder and upper back that are involved in moving the shoulders and arms, Syn. cowl muscle, musculus trapezius, trapezius muscle |
| triceps brachii | (n) the skeletal muscle having three origins that extends the forearm when it contracts, Syn. musculus triceps brachii |
| urethral sphincter | (n) a striated sphincter muscle that constricts the urethra, Syn. musculus sphincter urethrae |
