An Formal Web site of The usa authorities. Here is how you know we're official. dot gov icon Intelligent Vocabulary: associated text and phrases Substances & structures in your body abductor accessorius acetylcholine ACL ACTH folate follicular foramen foramen ovale fornix myocardium myofibril myofibrillar myofilament myology tegument temporomandibular tendinis https://www.youtube.com/watch?v=A07qHOeWON8