List of lymph nodes of the human body - wikipedia List of lymph nodes of the human body Part of a series of lists about Human anatomy General Features Regions Variations Movements Systems Structures Arteries Bones Eponymous Foramina Glands endocrine Lymphatic vessels Nerves Organs Systems Veins Muscles Abductors Adductors Depressors Elevators Extensors Flexors Rotators external internal Glossary of medicine Glossary of medicine See also Epithelia Anatomical terminology Index of anatomy articles Outline of anatomy Cell types by origin Regional lymph tissues. Humans have approximately 500 -- 600 lymph nodes distributed throughout the body, with clusters found in the underarms, groin, neck, chest, and abdomen. Contents 1 Lymph nodes of the head 2 Lymph nodes of the neck 3 Lymph nodes of the thorax 4 Lymph nodes of the arm 5 Lower limbs 6 Distribution Lymph nodes of the head Occipital lymph nodes Mastoid lymph nodes Parotid lymph nodes Lymph nodes of the neck Cervical lymph nodes Submental lymph nodes Submandibular lymph nodes Deep cervical lymph nodes Deep anterior cervical lymph nodes Deep lateral cervical lymph nodes Inferior deep cervical lymph nodes Jugulo - omohyoid lymph node Jugulodigastric lymph node Supraclavicular lymph nodes Virchow 's node Lymph nodes of the thorax Lymph nodes of the lungs : The lymph is drained from the lung tissue through subsegmental, segmental, lobar and interlobar lymph nodes to the hilar lymph nodes, which are located around the hilum ( the pedicle, which attaches the lung to the mediastinal structures, containing the pulmonary artery, the pulmonary veins, the main bronchus for each side, some vegetative nerves and the lymphatics ) of each lung. The lymph flows subsequently to the mediastinal lymph nodes. Mediastinal lymph nodes : They consist of several lymph node groups, especially along the trachea ( 5 groups ), along the esophagus and between the lung and the diaphragm. In the mediastinal lymph nodes arises lymphatic ducts, which drains the lymph to the left subclavian vein ( to the venous angle in the confluence of the subclavian and deep jugular veins ). The mediastinal lymph nodes along the esophagus are in tight connection with the abdominal lymph nodes along the esophagus and the stomach. That fact facilitates spreading of tumor cells through these lymphatics in cases of cancers of the stomach and particularly of the esophagus. Through the mediastinum, the main lymphatic drainage from the abdominal organs goes via the thoracic duct ( ductus thoracicus ), which drains majority of the lymph from the abdomen to the above mentioned left venous angle. Lymph nodes of the arm These drain the whole of the arm, and are divided into two groups, superficial and deep. The superficial nodes are supplied by lymphatics that are present throughout the arm, but are particularly rich on the palm and flexor aspects of the digits. Superficial lymph nodes of the arm : Supratrochlear nodes : Situated above the medial epicondyle of the humerus, medial to the basilic vein, they drain the C7 and C8 dermatomes. Deltoideopectoral nodes : Situated between the pectoralis major and deltoid muscles inferior to the clavicle. Deep lymph nodes of the arm : These comprise the axillary nodes, which are 20 - 30 individual nodes and can be subdivided into : Lateral nodes Anterior or pectoral nodes Posterior or subscapular nodes Central or intermediate nodes Medial or subclavicular nodes Lower limbs Superficial inguinal lymph nodes Deep inguinal lymph nodes Popliteal lymph nodes Distribution The lymphatic vessels that link the lymph nodes are : The lymphatics of the head, face, neck, and meningeal lymphatic vessels -- drain to the deep cervical lymph nodes The jugular trunk The subclavian lymph trunk The thoracic duct The lymphatics of the upper extremity The right and left bronchomediastinal lymph trunks The lymphatics of the lower extremity The lymphatics of the abdomen and pelvis The lymphatic vessels of the thorax Anatomy of the lymphatic system Head and neck Head Back Occipital Mastoid / retroauricular Parotid Superficial Deep preauricular infra - auricular intraglandular Front Facial buccinator nasolabial Mandibular Submandibular Submental Cervical Superficial anterior lateral Deep Deep anterior cervical pretracheal paratracheal prelaryngeal thyroid Deep lateral cervical superior deep cervical inferior deep cervical retropharyngeal jugulodigastric jugulo - omohyoid Other Anterior cervical Lateral cervical Supraclavicular Vessels Jugular trunk Arm and axilla Nodes Axillary Brachial Pectoral Subscapular Central Apical Arm Supratrochlear Deltopectoral Vessels Subclavian lymph trunk Chest Nodes Parasternal Intercostal Superior diaphragmatic Trachea and bronchi superior inferior bronchopulmonary paratracheal intrapulmonary Vessels Thoracic duct Right lymphatic duct Bronchomediastinal lymph trunk Abdomen Nodes Paraaortic Retroaortic Lateral aortic Preaortic ( Celiac gastric hepatic splenic Superior mesenteric mesenteric ileocolic mesocolic Inferior mesenteric pararectal ) Other Iliac Common external internal Sacral Retroperitoneal lymph nodes Vessels Lumbar lymph trunk Intestinal trunk Cisterna chyli Leg Inguinal deep Cloquet 's node superficial Popliteal Retrieved from `` https://en.wikipedia.org/w/index.php?title=List_of_lymph_nodes_of_the_human_body&oldid=805791683 '' Categories : Lymphatic system Lists of human anatomical features Talk Contents About Wikipedia Edit links This page was last edited on 17 October 2017, at 17 : 27. 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Question: where are lymph nodes located in large numbers
Answer: underarms