title: An anomalous case of the risorius arising from the masseter tendon.
authors.forename: J
authors.initials: J
authors.lastname: Sekine
authors.forename: N
authors.initials: N
authors.lastname: Hamada
authors.forename: H
authors.initials: H
authors.lastname: Toh
authors.forename: T
authors.initials: T
authors.lastname: Ohmori
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D005152:Facial Muscles / Q000002:abnormalities* / Q000033:anatomy & histology; D006801:Humans; D008297:Male; D008406:Masseter Muscle / Q000033:anatomy & histology; D013710:Tendons / Q000033:anatomy & histology*