Lymphatics of the head and neck Flashcards
What are the three main functions of the lymphatic system
Pick up protein molecules from tissue fluid
Returns excess tissue fluid to the blood stream
Produce lymphocytes
What type of tisse structure is found in lymph nodes
Reticular Tissue (Mesh like)
What are the functions of lymph nodes
Produce lymphocytes
Filter lymph
prevent foreign bodies from entering blood stream
What is the difference between afferent and efferent lymph vessels
Afferent: Drain lymph to a node
Efferend: Drain lymph from a node
How is lymph moved
Skeletal muscle contraction (Exercise)
Message can also move lymph as well
What are the superficial nodes of the head
Occipital
Mastoid
Parotid
What are the superficial nodes of the neck
Submandibular
Submental
Anterior Cervical
Superficial Cervicals
What lymph nodes form a chain along the external surface of the SCM and follow the external juggular
Superficial Cervical Lymph nodes
What are the two largest cervical lymph nodes
Jugulodigastric Node
Jugulo-omohyoid Node
What are the Efferents of the deep cervical nodes
Right jugular Trunk
Left Jugular Trunk
Where does the Right Jugular Trunk drain into?
Junction between internal jugular and subclavian veins
Where does the Left jugular trunk drain into
Thoracic duct
What is the lymphatic system very important for tracking?
Spread of Cancer cells
What is Lymphogenous Metastasis
Spread of cancer via the lymphatic system
What is a Signal/Sentinel node
Enlarged supraclavicular node
