Cervical / Neck anatomy: - Superficial fascia (muscles/glands) - Middle fascia (organs/pre-tracheal) - Deep fascia (prevertebral) All 3 layers make up the Carotid sheath, holding the IJ, Carotid artery, and Vagus nerve Prevertebral space "Danger" space Retropharyngeal space #Cervical #Neck #anatomy #spaces