Definition of "Lymph node"

Last modified: 10 hours



Lymph nodes are oval-shaped organ of lymphatic system, distributed throughout the body. It is linked by lymphatic vessels. It stores inter alia, B and T lymphocytes, and macrophages. It acts as filters/traps for foreign particles.

Lymphadenopathy is pathology of lymph node.

Classification

Humans have 500-600 lymph nodes distributed throughout the body, w/ clusters found in the neck, chest, underarms, abdomen, and groin.

  • Lymph nodes of the head, including:
    • Occipital lymph nodes
    • Mastoid lymph nodes
    • Parotid lymph nodes
  • Lymph nodes of the neck, including:
    • 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 nodes
  • Lymph nodes of the thorax, including:
    • Lymph nodes of the lungs
    • Mediastinal lymph nodes
  • Lymph nodes of the arm, including:
    • Superficial lymph nodes of the arm:
      • Supratrochlear nodes
      • Deltoideopectoral nodes
    • Deep lymph nodes of the arm:
      • Lateral nodes
      • Anterior or pectoral nodes
      • Posterior or subscapular nodes
      • Central or intermediate nodes
      • Medial or subclavicular nodes
  • Lymph nodes of the lower limbs, including:
    • Superficial inguinal lymph nodes
    • Deep inguinal lymph nodes
    • Popliteal lymph nodes


Source: http://www.organsofthebody.com/images/lymph-nodes.jpg    


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Definition of Lymph node | Autoprac


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