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14 Cards in this Set

  • Front
  • Back
Root of the Neck:
**point where neck joins thorax
**inferior aspect of root: superior thoracic aperture which consists of first ribs and their condyl cartilages, manubrium, and body of first thoracic verterbrae
Numerous structures:
1. subclavian vein
2. subclavian artery and branches
3. phrenic nerve
4. sympathetic chain
5. cervicothroracic ganglion (stellate)
6. middle cervical ganglion
7. superior cervical ganglion
8. thoracic duct
9. inferior belly of omohyoid
Muscles of Root: Prevertebral
1. Longus coli
*all scalenes lateral
2. Longus capitis
3. Rectus capitis anterior
4. Rectus capitis lateralis
3 parts of sublclavian artery:
**divided by anterior scalene
1st: medial to
2nd: immediately posterior
3rd: extends to lateral border of first rib
1st part of subcalvian: 3 branches
1. vertebral-passes superiorly between longus coli and anterior scalene; goes into transverse foramen (C6) up to atlas

2. thyrocervical trunk
a. inferior thyroid-ascending cervical branch, which supplies deep prevertebral muscles
b. transverse cervical- i)superficial transverse cervical branch-supplies trapezius; ii)deep transverse (dorsal scapular)-supplies levator scapulae and rhomboids
c. suprascapular

3. internal thoracic
2nd and 3rd parts of subclavian:
2nd: Costocervical trunk (divides)- a. supreme intercostal; b. deep posterior cervical

3rd: dorsal scapular (30% from thyrocervical trunk, 70% from 3rd part
Interscalene Traiangle:
*formed by adjacent borders of anterior and middle scalenes and attach to 1st rib
**Passageway for:
1. root of brachial plexus
2. subclavian artery
CC: injury to ascending cervical chain
*Horner's Syndrome:
1. Ptosis-drooping of eyelid
2. Dilitation-flushing
3. Anhydrosis-no sweating
4. Myosis-constriction of pupil
5. Enopthalmos-sunken eyelid
Thyroid gland:
*produces thyroid hormone
*produces calcitonin-regulates metabolism of calcium
**produce parathyroid hormone-regulates calcium and phosphorus
**usually have 2 pair on posterior aspect of thyroid
*can have 1-3 pairs
Blood supply to thyroid:
1. superior thyroid (from ECA)
2. inferior thyroid

1. superior thyroid
2. middle thyroid
3. inferior thyroid
CC: tumors of thyroid
*can result in hoarseness from damage to recurrent laryngeal nerve
Vagus Nerve
*Recurrent laryngeal nerve:
1. on right, passes around right subclavian artery
2. on left, passes through arch of aorta deep to ligamentum arteriosum
Lymphatic Drainage:
1. right lymphatic duct
2. thoracic duct
3. directly into left brachiocephalic vein

a. deep cervical: superior and inferior
b. pretracheal
c. paratracheal