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Related Concept Videos

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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Functions of the Lymphatic and Immune System01:28

Functions of the Lymphatic and Immune System

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The lymphatic system plays a crucial role in bolstering our immune system. It consists of a network of lymphoid organs, lymph, and lymphatic vessels that provide structural and functional support in safeguarding the body against pathogens such as viruses and bacteria.
The primary lymphoid organs, including the bone marrow and the thymus, serve as the maturation sites for lymphocytes. Secondary lymphoid organs, like the mucosa-associated lymphoid tissue, activate these lymphocytes and serve as...
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Introduction to Lymphatic and Immune System01:22

Introduction to Lymphatic and Immune System

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Immunity is a crucial biological concept about our body's inherent capacity to prevent infections and diseases. A complex network of cells and tissues collectively known as the immune system facilitates this natural defense mechanism. The immune system plays an integral role in maintaining our health and well-being, shielding us from potential health threats.
The immune responses can be categorized into two types: innate and adaptive. Innate immunity comprises nonspecific defenses we are...
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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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Secondary Lymphoid Organs01:15

Secondary Lymphoid Organs

5.5K
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...
5.5K
Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

5.3K
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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Related Experiment Video

Updated: Oct 5, 2025

Unraveling Key Players of Humoral Immunity: Advanced and Optimized Lymphocyte Isolation Protocol from Murine Peyer's Patches
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Unraveling Key Players of Humoral Immunity: Advanced and Optimized Lymphocyte Isolation Protocol from Murine Peyer's Patches

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Immune function and dysfunction are determined by lymphoid tissue efficacy.

Spyridon Makris1, Charlotte M de Winde2, Harry L Horsnell1

  • 1Stromal Immunology Group, MRC Laboratory for Molecular Cell Biology, University College London, Gower Street, London WC1E 6BT, UK.

Disease Models & Mechanisms
|January 24, 2022
PubMed
Summary

Lymphoid tissues maintain structure and function throughout life, but disruptions can lead to disease. This review explores how lymphoid tissue remodels during immunity and pathology.

Keywords:
Fibroblastic reticular cellsHomeostasisLymphoid tissueStromal cells

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Characterization of Thymus-dependent and Thymus-independent Immunoglobulin Isotype Responses in Mice Using Enzyme-linked Immunosorbent Assay
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Isolation and Flow Cytometric Characterization of Murine Small Intestinal Lymphocytes
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Area of Science:

  • Immunology
  • Cell Biology
  • Pathology

Background:

  • Lymphoid tissues are crucial for adaptive immunity and return to homeostasis after immune responses.
  • Stromal cells regulate lymphoid tissue microenvironments, and disruptions can cause disease.
  • Loss of lymphoid tissue homeostasis leads to structural and functional deficits, potentially causing aberrant immune responses.

Purpose of the Study:

  • To review recent advances in understanding lymphoid tissue function and remodeling in adaptive immunity.
  • To discuss the role of lymphoid tissue in disease progression.
  • To explore structural and functional changes in lymphoid tissue during infection, inflammation, and cancer.

Main Methods:

  • Literature review of recent advances in lymphoid tissue research.
  • Analysis of the functional role of lymphoid tissue in various disease states.
  • Exploration of lymphoid tissue structural and functional changes driven by specific pathologies.

Main Results:

  • Lymphoid tissue structure and function are generally maintained after immune responses.
  • Alterations in the lymphoid tissue microenvironment can drive disease pathogenesis.
  • Lymphoid tissue undergoes significant remodeling in response to infection, chronic inflammation, and cancer.

Conclusions:

  • Understanding lymphoid tissue dynamics is critical for comprehending immune responses and disease progression.
  • Lymphoid tissue remodeling plays a key role in both adaptive immunity and various pathologies.
  • A systemic view of disease progression requires knowledge of lymphoid tissue's role in immune responses.