Digastric
Dorsal muscle, m. Digastricus, has two abdomen - anterior and posterior, which are connected by a tendon.
The anterior abdomen, venter anterior, starts from the dorsal fossa of the lower jaw, goes back and down and passes into the tendon, which is strengthened by the body of the hyoid bone in the process of the pre-tracheal fascia of the fascia of the neck. This tendon, bending back to the top, passes into the posterior abdomen, the venter posterior, which attaches itself to the mastoid cutting of the temporal bone. Between the two abdominals and the edge of the lower jaw is a recess-submandibular jaw, trigonum submandibulare. In which there is a submerged-non-maxillary gland, gl. Submandibularis.
Function; With a strengthened hyoid bone, lowers the lower jaw; With a strengthened lower jaw pulling the hyoid bone up.
Innervation: anterior abdomen - (n. Mylohyoideus n. Trigeminus); The rear one is n. Digastricus (n. Facialis).
Blood supply: front abdomen - a. Submentalis; Rear - aa. Occipitalis, auricularis posterior.
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