contents of visceral compartment

• larynx & trachea
• pharynx and esophagus
• thyroid and parathyroid glands

visceral part

Alar fascia

vertebral column

cervical spinal nn and plexi

epaxial mm

Prevertebral fascia: continue with anterior longitudial ligament in thorax

vertebral compartment: vertebral colum, cervical spinal n and plexi, epaxial mm.

longus coli

sympathtic trunk

phrnic n

anterior scalene m

ventral rami of spinal m

midle and posterior scalene mm

splenius capitus m

vacular compartment (wrap around in carotid sheath):

• internal jugular v
• internal carotid a
• vagus n

Anterior triangle

window to visceral and vascular compartment. Have 4 parts:

• carotid triangle
• muscular triangle
• submental triangle
• submandibular triangle
  

muscular triangle

visceral compartment:

larynx and trachea

thyroid and parathyroid gland

sternothyroid and sternohyoid

carotid triangle

tributaries to most facial vein

carotid arteries & branches

IX, X, XI, XII, ansa cervicalis roots, transverse cervical

• Pretracheal space: between investing cervical fascia and pretracheal fascia
• Retropharyngeal space: between buccapharyngeal fascia and the anterior layer of prevertebral fascia (alar fascia), extend in to posterior mediastinum.
• Third space/ AKA danger space: area of alar fascia- mediastinum diaphram.