musculus sphincter ani externus(n = noun.body) - an external ring of striated muscle surrounding the anus;
is a kind of skeletal muscle, striated muscle
is a part of anal sphincter, musculus sphincter ani, sphincter ani

anal sphincter, anatomical sphincter, ani, balaenoptera musculus, bladder sphincter, cardiac sphincter, mus musculus, musculus, musculus abductor digiti minimi manus, musculus abductor digiti minimi pedis, musculus abductor hallucis, musculus abductor pollicis, musculus adductor brevis, musculus adductor hallucis, musculus adductor longus, musculus adductor magnus, musculus anconeus, musculus articularis cubiti, musculus articularis genus, musculus biceps brachii, musculus biceps femoris, musculus buccinator, musculus deltoideus, musculus intercostalis, musculus obliquus externus abdominis, musculus pectoralis, musculus pectoralis major, musculus pectoralis minor, musculus quadriceps femoris, musculus rhomboideus major, musculus rhomboideus minor, musculus sartorius, musculus scalenus, musculus serratus anterior, musculus serratus posterior, musculus sphincter ani, musculus sphincter ani internus, musculus sphincter ductus choledochi, musculus sphincter ductus pancreatici, musculus sphincter pupillae, musculus sphincter pylori, musculus sphincter urethrae, musculus sphincter vesicae, musculus sternocleidomastoideus, musculus temporalis, musculus teres major, musculus teres minor, musculus tibialis, musculus transversalis abdominis, musculus trapezius, musculus triceps brachii, physiological sphincter, pruritus ani, pupillary sphincter, pyloric sphincter, sphincter, sphincter ani, sphincter muscle, urethral sphincter