Lymphatic System: Terms to know

Lymphatic System Structures

• Primary Lymphatic Organs

  • Red bone marrow (not in pictures below)

  • Thymus

• Secondary Lymphatic Organs

  • Lymph nodes

    • Cervical lymph nodes

    • Axillary lymph nodes

    • Pelvic lymph nodes

    • Inguinal lymph nodes

  • Spleen

  • Lymphatic nodules

    • Peyer's patches

    • Appendix

    • Tonsils

      • Pharyngeal tonsils

      • Palatine tonsils

      • Lingual tonsils

  • Lymphatic vessels

    • Lymph capillaries (not labeled)

      • Lacteals

    • Lymph ducts

      • Cisterna chyli (not in pictures below)

      • Thoracic duct

      • Right lymphatic duct (not in pictures below)

Lymphatic System Histology

• Lymph Vessel

  • Lymph vessel valve

• Lymph node

  • Capsule

  • Cortex

    • Lymph follicles

  • Medullary cords

• Spleen

  • Capsule

  • Red pulp

  • White pulp

    • Central arteries