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Digastric
Region: Head & Neck Muscles · All head & neck muscles
Digastric at a glance
| Origin | Anterior belly: digastric fossa of the mandible; posterior belly: mastoid notch of the temporal bone |
|---|---|
| Insertion | Intermediate tendon attached to the hyoid bone by a fibrous sling |
| Actions | Depresses the jaw (opens the mouth); Elevates the hyoid bone |
| Nerve supply | Anterior belly: trigeminal (CN V3); posterior belly: facial nerve (CN VII) |
More Head & Neck Muscles
Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.