Digastric muscle side; anterior belly may be absent and posterior belly inserted into the middle of the jaw or hyoid bone. The tendon may pass in front, more rarely behind the Stylohoideus. The Mentohyoideus muscle passes from the body of hyoid bone to chin. The Digastricus divides the anterior triangle of the neck into three smaller triangles. The digastric muscle is involved in any complex jaw action such as speaking, swallowing, chewing and breathing. When the digastric muscle contracts, it acts to elevate the hyoid bone. If the hyoid is being held in place (by the infrahyoid muscles), it will tend to
Bertram A. Bone capacity, he was responsible for the recruit training of all new marines on the West Coast of the United States. When Marine Corps Base San Diego was redesignated Marine Corps Recruit Depot in January 1948, Bone was appointed assistant chief of staff for operations and training. He served in this capacity until his retirement on June 30, 1949. Bone was advanced to the rank of brigadier general for having been specially commended in combat. He settled in his native San Diego and died on October 22, 1961. Bone is buried at Fort Sam Houston National Cemetery together with his wife,