Cervical Part Of Sympathetic Trunk Flashcards
Cervical part of sympathetic trunk
Ganglionated nerve trunk (3 ganglia) embedded in carotid sheath posterior wall
Behind:
1. CCA
2. ICA
In front:
1. Inferior thyroid artery
2. Prevertebral muscles and fascia
3. Cervical transverse processes
3 ganglia
- Superior ganglion
- Middle ganglion
- Inferior ganglion
Superior ganglion position
In front of C2 and C3 transverse processes behind ICA (2-3 cm)
Superior ganglion branches
- Communicating
- Vascular
- Cardiac
- Visceral
Superior ganglion: communicating branch
To upper 4 cervical and lower 4 cranial nerves
Superior ganglion: vascular branch
Plexus around ECA and ICA
Superior ganglion: cardiac branch
Heart
Superior ganglion: visceral
Pharyngeal plexus
Middle ganglion
In front of C6 transverse process and inferior thyroid artery (smallest)
Middle ganglion branches
- Communicating
- Vascular
- Cardiac
- Visceral
Middle ganglion: communicating branch
C5 and C6 nerves
Middle ganglion: vascular branch
Plexus around inferior thyroid artery
Middle ganglion: cardiac
Heart
Middle ganglion: visceral branch
Trachea and esophagus
Inferior ganglion
In front of C7 transverse process behind vertebral artery (single or fused with 1st thoracic ganglion)