Intermediate tendon of digastric muscle
Muscles · Latin: Tendo intermedius musculi digastrici
The two bellies end in an intermediate tendon which perforates the stylohyoideus muscle, and is held in connection with the side of the body and the greater cornu of the hyoid bone by a fibrous loop, which is sometimes lined by a mucous sheath.
Definition from Wikipedia, CC BY-SA 4.0.