An official Internet site of The us government. Here is how you know we're Formal. dot gov icon SMART Vocabulary: associated phrases 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