Viscera of Neck

Question 1

What are the neck viscera?

Answer 1

Pharynx, larynx, trachea, submandibular gland, esophagus, endocrine glands

Question 2

What is the arterial support of submandibular gland?

Answer 2

Lingual, facial artery

Question 3

What is included in the submandibular gland?

Answer 3

Submandibular triangle, Wharton’s duct

Question 4

What is the lymph of the submandibular gland?

Answer 4

Submandibular nodes -> inferior deep cervical

Question 5

What is the innervation of the submandibular gland?

Answer 5

Cranial nerve VII

Question 6

What is the sympathetic (vasomotor) innervation of submandibular gland?

Answer 6

IML, T1-4 -> SCG, external carotid nerve

Question 7

What is the parasympathetic innervation of submandibular gland?

Answer 7

chorda tympani (CN VII) -> lingual (CN V)

Question 8

What is the GSA to the connective tissue capsule of the submandibular gland?

Answer 8

CN V (lingual n, CN V)

Question 9

Significance of tubercle of Zuckerandl?

Answer 9

Inferior thyroid artery, and recurrent laryngeal nerve -> where the nerve could get injured when ligating the artery

Question 10

Where is the lymphatic drainage of the thyroid?

Answer 10

Level VI -> pretracheal/prelaryngeal, paratracheal, superior deep cervical (level II), inferior deep cervical (level IV)

Question 11

What layers must be transversed to reach thyroid gland?

Answer 11

 investing fascia
 infrahyoid
 pretracheal/bucco
 prevertebral/alar
 carotid sheath

Question 12

What is the parathyroid gland usually?

Answer 12

Typically four, lies between the posterior borders of the thyroid and its capsule, and location is highly variable