(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
(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
(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
(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
(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