Digastric muscle

Origin of Digastric

Anterior belly - digastric fossa (mandible); posterior belly - mastoid process of temporal bone.

Insertion of Digastric

Intermediate tendon (hyoid bone)

Muscle Action/Function of Digastric

Opens the jaw when the masseter and the temporalis are relaxed.

Arterial (Blood) Supply of Digastric

Anterior belly - Submental branch of facial artery; posterior belly - occipital artery.
digastric muscle, picture

Digastric Video

Digastric muscle

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