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Related Concept Videos

Lymphatic Vessels and Lymph Transport01:16

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Lymphatic vessels, known as lymphatics, are crucial in transporting lymph from peripheral tissues to our venous system. This process begins with lymph entering through tiny capillaries that branch through tissues. These capillaries have unique features such as larger diameters, thinner walls, and a distinctive one-way valve system formed by overlapping endothelial cells.
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The development of lymphatic tissues and vessels in embryonic life begins around the fifth week. These structures originate from the mesoderm layer, with lymph sacs emerging from developing veins.
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Related Experiment Video

Updated: Apr 12, 2026

Blocking Lymph Flow by Suturing Afferent Lymphatic Vessels in Mice
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Communication between lymphatic and venous systems in mice.

Lenan Shao1, Kazu Takeda2, Shigeki Kato2

  • 1Laboratory of Biomedical Engineering for Cancer, Biomedical Engineering Cancer Research Center, Graduate School of Biomedical Engineering, Tohoku University, 4-1 Seiryo, Aoba, Sendai, Miyagi, 980-8575, Japan; Department of Oral and Maxillofacial Surgery, Tongji Hospital, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan 430030, China.

Journal of Immunological Methods
|May 27, 2015
PubMed
Summary

This study maps lymphatic and venous system connections in mice, revealing direct efferent lymphatic vessel links to the subclavian vein. These findings offer new insights into lymph node metastasis and cancer immunology.

Keywords:
Blood flowCommunicationLymphatic systemVenous system

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Area of Science:

  • Anatomy
  • Physiology
  • Immunology

Background:

  • Metastatic tumor cells spread via the lymphatic and venous systems.
  • Communication routes between lymphatic and venous systems are not fully understood.
  • Understanding these routes is crucial for cancer metastasis research.

Purpose of the Study:

  • To identify and describe communication routes between lymphatic and venous systems.
  • To investigate these routes in the axillary and subiliac regions of specific mouse models.
  • To provide anatomical insights for cancer immunology and treatment strategies.

Main Methods:

  • Gross anatomy dissection approach.
  • Utilized MXH10/Mo-lpr/lpr inbred mice with enlarged lymph nodes.
  • Detailed topographical investigation of lymph nodes and lymphatic vessels.

Main Results:

  • Identified direct communication between proper axillary lymph node efferent lymphatic vessels and the subclavian vein.
  • Described the thoracoepigastric vein's proximity and connection to lymph nodes.
  • Observed bidirectional blood flow in the thoracoepigastric vein near lymph nodes.

Conclusions:

  • Revealed specific anatomical connections between lymphatic and venous systems in mice.
  • Provides a foundation for studying lymph node metastasis mechanisms.
  • Offers potential for developing new diagnostic and therapeutic approaches for cancer metastasis.