5 Questions
Which muscles are derived from the neck and back regions and from the sides and ventral aspects of the chest?
MUSCLES OF THE PECTORAL GIRDLE
Which muscles are often referred to as trunk-limb muscles?
MUSCLES OF THE THORACIC LIMB
Which muscle is divided into a cervical and a thoracic part in domestic animals?
Trapezius
Which muscle is involved in opening the mouth and fixing the lower jaw and pharynx?
Brachiocephalicus
Which muscle is present in dogs as cleidobrachialis, cleidocervicalis, and cleidomastoideus?
Brachiocephalicus
Study Notes
Muscles Derived from Neck and Back Regions
- Muscles derived from the neck and back regions are scalene and levator scapulae muscles
- Muscles derived from the sides and ventral aspects of the chest are pectoral muscles
Trunk-Limb Muscles
- Trunk-limb muscles are brachiocephalic, omobrachial, and pectoral muscles
Divided Muscles
- The scalene muscle is divided into a cervical and a thoracic part in domestic animals
Muscles Involved in Mastication
- The digastricus muscle is involved in opening the mouth and fixing the lower jaw and pharynx
Muscles in Dogs
- The cleidomastoid muscle is present in dogs as cleidobrachialis, cleidocervicalis, and cleidomastoideus
Test your knowledge of the muscles of the thoracic limb with this quiz by Lordy R. Pagatpatan, DVM, MS. Learn about the extrinsic and intrinsic muscles of the pectoral girdle, their origins, and attachments. Perfect for veterinary students and professionals.
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