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Related Concept Videos

Primary Lymphoid Organs01:16

Primary Lymphoid Organs

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Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
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Lymphoid Cells and Tissues01:18

Lymphoid Cells and Tissues

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Lymphoid cells and tissues are integral to the immune system, which is crucial in maintaining our body's defense against harmful pathogens. They form the building blocks of lymphoid organs, which include the spleen, thymus, and lymph nodes.
Lymphoid cells consist of various types of immune system cells. These include B and T lymphocytes, which are responsible for producing antibodies and killing infected cells, respectively. Dendritic cells act as messengers between the innate and adaptive...
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Secondary Lymphoid Organs01:15

Secondary Lymphoid Organs

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Secondary organs, including lymph nodes, the spleen, and mucosa-associated lymphoid tissue (MALT), work harmoniously to protect us from disease and infection.
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...
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Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

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The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
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Lymphatic Vessels and Lymph Transport01:16

Lymphatic Vessels and Lymph Transport

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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.
This one-way system allows fluids, solutes, and even pathogens to enter but prevents their return to the intercellular...
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Related Experiment Video

Updated: Oct 17, 2025

Tumor Engraftment in a Xenograft Mouse Model of Human Mantle Cell Lymphoma
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Tumor Engraftment in a Xenograft Mouse Model of Human Mantle Cell Lymphoma

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[Intravascular Large B-cell Lymphoma].

Shinji Oda1, Masaki Takao

  • 1Department of Neurology, National Center Hospital, National Center of Neurology and Psychiatry.

Brain and Nerve = Shinkei Kenkyu No Shinpo
|October 7, 2021
PubMed
Summary

Intravascular large B-cell lymphoma (IVLBL) is a rare cancer that grows in blood vessels. Early diagnosis is crucial for effective treatment, often requiring tissue biopsies to confirm the condition.

Area of Science:

  • Hematology
  • Oncology
  • Pathology

Background:

  • Intravascular large B-cell lymphoma (IVLBL) is an extranodal lymphoma.
  • Tumor cells selectively proliferate within small blood vessels.
  • Diagnosis is challenging due to diverse and nonspecific clinical presentations.

Purpose of the Study:

  • To highlight the diagnostic challenges of IVLBL.
  • To emphasize the importance of early detection and tissue diagnosis.
  • To underscore the need for further research into IVLBL pathogenesis and manifestations.

Main Methods:

  • Review of clinical presentations and diagnostic strategies for IVLBL.
  • Emphasis on the role of tissue biopsy, including random skin biopsy, in diagnosis.
  • Discussion of current treatment advances and their implications for early diagnosis.

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Main Results:

  • IVLBL presents with varied and nonspecific symptoms, complicating early identification.
  • Tissue diagnosis, particularly skin biopsy, is a critical component for confirming IVLBL.
  • Advances in treatment necessitate earlier and more accurate diagnostic approaches.

Conclusions:

  • Early suspicion and prompt tissue diagnosis are vital for managing IVLBL.
  • Further research is required to elucidate the pathogenesis and clinical spectrum of IVLBL.
  • Improved understanding will enhance diagnostic accuracy and therapeutic strategies for this rare lymphoma.