Mastoid part

Pars mastoidea

  • Related terms: Mastoid part of the cleidocephalic muscle

Definition

The mastoid part of the cleidocephalic muscle is the ventral part of this muscle, from clavicular intersection to the mastoid process. In bo, it inserts also on the muscular tubercle of the occipital bone. This part is sometime called "cleidomastoid muscle".

Origin: clavicular tendon/clavicular intersection/vestigial clavicle

Insertion: mastoid/occipital bone

Action: draw the limb cranially and, acting bilaterally, to fix the neck

Nerve: accessory nerve, ventral branches of cervical nerves

References

Text by Antoine Micheau, MD - Copyright IMAIOS Veterinary Anatomy of Domestic Mammals: Textbook and Colour Atlas, Sixth Edition - Horst Erich König, Hans-Georg Liebich - Schattauer - ISBN-13: 978-3794528332 Miller's Anatomy of the Dog, 4th Edition - Evans & de Lahunta- Elsevier Illustrated Veterinary Anatomical Nomenclature - 3rd edittion - Gheorghe M. Constantinescu, Oskar Schaller - Enke

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