Part I Head, Neck, Brain and Spinal Cord

Anterior cervical region (anterior triangle) of neck – from the front and left

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Masseter
Sternothyroid
Clavicular part of pectoralis major
Posterior belly of digastric
Jugulodigastric lymph node
Marginal mandibular branch of the facial nerve
Common carotid artery
Facial vein
Prevertebral fascia overlying levator scapulae
Vagus nerve
Facial artery
Superior root of ansa cervicalis
Internal jugular vein
Clavicle (body)
Mylohyoid
Omohyoid
Clavicular head of sternocleidomastoid
Internal jugular vein
Submandibular gland (unusually low)
Great auricular nerve
Parotid gland
Sternocleidomastoid
External jugular vein
Anterior belly of digastric
Platysma (reflected superiorly)
Supraclavicular nerves
Transverse cervical nerve
Anterior jugular vein
Body of mandible
Sternal head of sternocleidomastoid
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Platysma (reflected superiorly)
Masseter
Parotid gland
Facial artery
Facial vein
Marginal mandibular branch of the facial nerve
Body of mandible
Sternocleidomastoid
Great auricular nerve
External jugular vein
Prevertebral fascia overlying levator scapulae
Clavicle (body)
Clavicular part of pectoralis major
Supraclavicular nerves
Clavicular head of sternocleidomastoid
Sternal head of sternocleidomastoid
Anterior jugular vein
Sternothyroid
Internal jugular vein
Transverse cervical nerve
Omohyoid
Internal jugular vein
Superior root of ansa cervicalis
Vagus nerve
Common carotid artery
Jugulodigastric lymph node
Posterior belly of digastric
Submandibular gland (unusually low)
Anterior belly of digastric
Mylohyoid