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Muscles Beginning With M
5 muscles in the reference begin with the letter M. Every name links to a page giving the muscle’s origin, insertion, main actions and nerve supply.
A B C D E F G H I L M N O P Q R S T V Z
| Muscle | Main actions | Nerve supply |
|---|---|---|
| Masseter | Elevates the jaw (closes the mouth); Helps protrude the jaw | Trigeminal nerve (CN V3), masseteric branch |
| Medial Pterygoid | Elevates the jaw; Moves the jaw side to side (grinding) | Trigeminal nerve (CN V3) |
| Mentalis | Raises and protrudes the lower lip; Wrinkles the chin skin | Facial nerve (CN VII) |
| Multifidus | Stabilises individual vertebrae; Helps extend and rotate the spine | Dorsal rami of spinal nerves |
| Mylohyoid | Forms and elevates the floor of the mouth; Raises the hyoid and tongue when swallowing | Trigeminal nerve (CN V3), nerve to mylohyoid |
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.