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1 Lateral cervical lymph nodes. Nodi lymphatici cervicales laterales. Groups of lymph nodes lateral to the neck which are classified as follows.

2 Superficial lymph nodes. Nodi lymphatici superficiales. Nodes on the external jugular vein. Afferent regions: lower pinna and area below the parotid. Efferents: deep cervical lymph nodes. See p. 257 A

3 Superior deep lymph nodes. Nodi lymphatici profundi superiores. Nodes that form the second filter station for almost all of the head lymph nodes but also receive direct peripheral tributaries from their surroundings. Efferents: jugular trunk. A

4 Lateral lymph nodes. Nodi lymphatici laterales. They lie lateral to the internal jugular vein. A

5 Anterior lymph nodes. Nodi lymphatici anteriores. Group of lymph nodes in front of the internal jugular vein. A

6 Jugulodigastric node. Nodus jugulodigastricus. It is the most cranial of the deep cervical nodes and is palpable when the tonsil, tongue or pharynx is inflamed. A

7 Inferior deep cervical lymph nodes. Nodi lymphatici profundi inferiores. They form the second filter station for the lymph nodes of the cervical viscera and the last filter station for the lymph nodes of the head. They also receive direct tributaries. Efferents: jugular trunk.

8 Jugulo-omohyoid node. Nodus juguloomohy-oideus. Node between the omohyoid muscle and internal jugular vein. Afferent area: tongue. A

9 Lateral lymphatic nodes. Nodi lymphatici later-ales.They lie lateral to the internal jugular vein. A

10 Anterior lymph nodes. Nodi lymphatici anteriores. Group in front of the internal jugular vein. A

11 Supraclavicular lymph nodes. Nodi lymphatici supraclaviculares. Nodes of the same group located above the clavicle. A

12 Accessory nodes. Nodi accessorii.

13 Retropharyngeal lymph nodes. Nodi lym-phatici retropharyngeales. Deep cervical lymph nodes at the level of the lateral mass of the atlas and at the lateral margin of the longus capitis muscle. A B

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