Posterior Triangle And Root Of The Neck Flashcards
Purple Arrow
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Supraclavicular Nerve(s)
Purple Arrow
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Costocervical trunk
Posterior Triangle of the neck boundaries
- Posterior border of sternocleidomastoid,
- anterior border of trapezius
- middle 1/3 of clavicle
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Splenius capitis muscles run from the ______ -> _________
cervical vertebrae to the skull
Blue Arrow:
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Thyrocervical trunk
Nerves that run through the root of the neck
- Vagus (CN X)
- Reccurent laryngeal
- phrenic
- cervical sympathetic trunk
![](https://s3.amazonaws.com/brainscape-prod/system/cm/250/602/510/a_image_thumb.png?1533054878)
Green Arrow:
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Suprascapular artery
Green Dot
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Mastoid Process
Red Arrow:
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Distal subclavian artery
Green Arrow:
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Vertebral artery (through transverse foramen of cervical vertebrae except C7)
What structure run through the scalene gap?
- Subclavian artery
- Brachial Plexus
![](https://s3.amazonaws.com/brainscape-prod/system/cm/250/602/032/a_image_thumb.png?1533054663)
Green Arrow:
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Vagus (CN X)
Green dot:
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splenius capitis
Longus Coli Origin -> Insertion
Upper thoracic/ Lower cervial vertebral bodies and middle cervical transverse process -> upper cervical vertebral bodies
Green Arrow
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External jugular vein
Veins of the posterior triangle:
- External juglar vein
- posterior auricular vein
- posterior division of the retromandibular vein
- drains into subclavian vein
![](https://s3.amazonaws.com/brainscape-prod/system/cm/250/602/730/a_image_thumb.png?1533054801)
Blue Arrow
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Great Auricular nerve
Longus Capitis Origin -> insertion
middle cervical transverse processes -> occipital bone
Green Circle
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Nerve point of the neck
Blue Arrow
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Subclavian Artery
Purple Arrow
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Dorsal Scapular Artery
Red Arrow
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Scalenes
Red Arrow
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Transverse Cervical nerve
The posterior division of the retromandibular vein drains to the:
external jugular vein
Red Dot
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Mandible
Green Arrow
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lesser occipital nerve
Red Arrow
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Clavicle
Arteries that come off of the subclavian atery in the root of the neck
- vertebral artery
- internal thoracic atery
- thyrocervical trunk
- costocervical trunk
- Dorsal Scapular artery
Which muscle of the posterior triangle of the neck runs in a different direction from the rest?
Inferior belly of omohyoid
Longus Capitis innervation
Cervical anterior rami