Summary: Anatomy: Head And Neck
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Read the summary and the most important questions on Anatomy: Head and Neck
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1 Muscles
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1.1.3 Pretracheal muscles
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What are the pretracheal muscles?
1. Thyrohyoid: from thyroid cartilage to hyoid apparatus
2. Sternothyroid: from sternum to thyroid cartilage
3. Sternohyoid: from sternum to hyoid apparatus -
What is the purpose of the pretracheal muscles?
To move/stabilize the larynx and control the muscles of the voicebox. -
What are the variants of the pretracheal muscles?
In horses, the four muscles (2 paired muscles from the sternum) are tightly bound together -
1.1.4 Superficial groups
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What are the superficial groups of the neck?
1. Brachiocephalicus
2. Omotransversarius
3. Sternocephalicus -
What is the function of the brachiocephalicus?
Move and stabilize head,neck , and forelimb relative toneck -
What is the function of the omotransversarius?
Move and stabilize the whole neck and forelimb relative to neck -
What is the function of the sternocephalicus?
Move and stabilize head on neck and the whole neck itself -
What are the two insertion sites of the sternocephalicus in horses?
1.Cephalic part:sternocephalicus ,moves head onneck
2.Mandibular part:sternomandibularis ,moves head onneck and wholeneck -
1.1.5 Superficial groups reflected
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What are underneath the superficial muscle groups of the neck?
1. Serratus ventralis (cervical)
2. Splenius -
What is the function of the splenius?
Move and stabilize the head on neck and provide support to the vertebral column
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