Lymphatics of Head and Neck Flashcards
Define Lymphangitis
Inflammation of lymph vessels
Define Lymphadenitis
Inflammation of lymph nodes
Enlarged, painful, freely movable and tender nodes are indicative of _____
Infectious Process
Not painfui, solid, hard, less movable and non-tender nodes are indicative of _____
Carcinoma or Metastatic Cancer
Define Lymphogenous Metastasis
Spread of Malignant cancer cells through lymphatic vessels
Describe the relationship of the superficial cervical nodes to the external jugular vein
They lie lateral and superficial/external to the external jugular vein within the superficial fascia
The general path of lymphatic drainage in the head and neck is from _____ to _____
Superficial to Deep
Efferent vesicles of deep cervical nodes give rise to the _____
Jugular Lymphatic Trunks
Jugular lymphatic trunks drain into the _____ on the left side and the _____ on the right side.
Thoracic duct on the left side, right lymphatic duct on the right
List the seven collar nodes
1) Occipital Nodes
2) Mastoid/Retroauricular Nodes
3) Superficial Parotid Nodes
4) Buccal Nodes
5) Mandibular Nodes
6) Submandibular Nodes
7) Submental Nodes
The occipital nodes follow the distribution of the _____
Occipital Artery
Occipital nodes receive drainage from the _____
Occipital region of the scalp
Occipital nodes drain into the _____
Superior Deep Cervical Nodes
Describe the location of the mastoid/retroauricular nodes
Posterior to the external ear over the mastoid process
The mastoid/retroauricular nodes receive lymph from the _____
Parietal region of the scalp
The mastoid/retroauricular nodes drain into the _____
Superior Deep Cervical Nodes
Describe the location of the superficial parotid nodes
In the superficial fascia overlying the lateral aspect of the parotid gland
The superficial parotid nodes receive drainage from the _____
Parietal region (forehead), lateral parts of the superior and inferior eyelids, frontal region, and from the lymph plexus of the skin. Sometimes receives drainage from the external/lateral aspect of the nose.
The buccal nodes are located superficial to the _____
Buccinator muscle
The buccal nodes receive drainage from the _____
Inferior aspect of the orbit and the lateral aspect of the nose (share with mandibular nodes)
Mandibular nodes are located very superficially, just lateral to the _____
Inferior border of the mandible
Mandibular nodes receive drainage from the _____
Medial corner of the eye, most of external nose, and lower part of the face (along with the buccal nodes)
The submandibular nodes drain the _____
Facial nodes and submental nodes.
The submandibular nodes are the primary nodes for the _____
Lateral part of the tongue
The submental nodes are located _____
inferior to the mental region of the mandible between anterior bellies of the digastric muscles
The preauricular nodes are located anterior to the _____ and superficial to the _____
Anterior to the ear and superficial to the parotid gland
The preauricular nodes receive drainage from the _____
Lymph Plexus of the Skin
The postauricular nodes are located near the _____
Mastoid process (posterior external ear)
The postauricular nodes receive drainage from the _____
Skin and scalp
The postauricular nodes drain into the _____
Superior deep cervical nodes
The buccal nodes are found in the _____
Buccal Region (duh)
The buccal nodes drain lymph from the _____
Cheek and area under the orbit
The parotid nodes are found within _____, deep to
The parotid gland, deep to the superficial parotid nodes
The parotid nodes drain the _____
Parietal region (forehead), lateral parts of the superior and inferior eyelids, frontal region, and from the lymph plexus of the skin (similar drainage as the superficial parotid nodes)
The deep cervical nodes are embedded in the _____
Carotid sheath with the internal jugular vein
The deep cervical nodes are found medial to the _____
Sternocleidomastoid Muscle
List the two superior deep cervical nodes
1) Jugulodigastric Node
2) Jugulo-omohyoid Noid
The jugulodigastric node is located near where _____
The posterior belly of the digastric m. crosses the internal jugular vein and carotid artery
The jugulodigastric node drains the _____
Palantine tonsil
The jugulo-omohyoid node is located around the area where _____
Where the omohyoid crosses the internal jugular vein and carotid artery. It is more inferior than the jugulodigastric node.
List the two inferior deep cervical nodes
1) Supraclavicular Nodes
2) Mastoid (Retroauricular) Nodes
The supraclavicular nodes are located in the _____
Lower portion of the posterior triangle
The mastoid (retroauricular) nodes are located inferior to the _____
Omohyoid muscle
The mastoid (retroauricular) nodes receive drainage from the _____. It is the last stop before the ____
Superior deep cervical nodes, larynx, trachea and scalp. Last stop before the thoracic duct.
The root/base of the tongue drains into the _____
Jugulodigastric Node
The midline of the tongue drains _____ into the _____
Bilaterally into the submandibular nodes
The lateral parts of the tongue drain _____ into the _____
Ipsilaterally into the submandibular nodes
The mediap tip of the tongue drains _____ into the _____
Bilaterally into the submental nodes
The upper lip drains _____ into the _____
Ipsilaterally into the submandibular nodes
The lateral portions of the lower lip drains _____ into the _____
Ipsilaterally into the submandibular nodes
The midline of the lower lip drains _____ into the _____
Bilaterally into the submental nodes
