Lymphatic Drainage of the Head and Neck

Question 1

• Superficial tissues drain to… (3)

Answer 1

• to superficial cervical lymph nodes
  o Located along the course of the external jugular vein
• Drains into the inferior deep cervical lymph nodes
• Drains into the supraclavicular group of nodes

Question 2

The supraclavicular group of nodes
o Accompanies the _________ trunk

Answer 2

cervicodorsal

Question 3

• The main group of deep cervical lymph nodes forms a…

Answer 3

a chain along the IJV
o Mostly behind SCM

Question 4

• Efferent vessels from deep cervical lymph nodes join to form the jugular lymphatic trunks
  o Jugular lymphatic trunk joins…
  o Jugular lymphatic trunk enters…

Answer 4

o Jugular lymphatic trunk joins the thoracic duct on the left side

o Jugular lymphatic trunk enters the junction of the internal jugular and subclavian veins on the right

Question 5

• Thoracic duct passes superiorly through the superior thoracic aperture along the left border of the
  oesophagus
  o Arches laterally in the root of the neck
  § posterior to…
  § anterior to…

Answer 5

• posterior to carotid sheath
• anterior to sympathetic trunk and vertebral and subclavian arteries

Question 6

Where does the thoracic duct enter?

Answer 6

o Enters the left brachiocephalic vein at the junction of the subclavian vein and IJV