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Related Concept Videos

Detailed Structure and Function of Lymph Nodes01:23

Detailed Structure and Function of Lymph Nodes

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Lymph nodes are bean-shaped structures that cluster along the lymphatic vessels in the inguinal, axillary, and cervical regions. Each node is divided into compartments by a capsule that extends trabeculae inward.
From a histological perspective, lymph nodes can be split into two main areas: the superficial cortex and the deep medulla. The outer cortex is populated by dendritic cells, macrophages, and B lymphocytes, which are densely packed into follicles. When these B-lymphocytes are presented...
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Lung Capacity01:47

Lung Capacity

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Hepatic clearance refers to the volume of blood cleared of a drug by the liver per unit of time. It plays a crucial role in drug metabolism and elimination. While hepatic clearance is commonly estimated by subtracting renal clearance from total body clearance, other pathways, such as pulmonary or biliary clearance, may also contribute. However, these pathways are generally less significant than hepatic and renal clearance.
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The glomerular filtration rate (GFR) is a critical marker of kidney function, reflecting the efficiency of filtration by the glomeruli. Renal clearance of specific substances, such as inulin or creatinine, is commonly used to measure GFR.
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Respiratory Capacities

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Respiratory capacities are crucial indicators of lung function, representing the maximum amount of air an individual's respiratory system can handle during various breathing phases.
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Drug Clearance: Overview01:06

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Drug elimination refers to drug removal from the body, either through urine or bile, by the kidneys or liver, respectively. A pharmacokinetic parameter, drug clearance, measures the efficiency of drug removal from the bloodstream within a specific time frame. It is calculated as the rate at which a drug is eliminated from plasma divided by the drug's concentration in plasma.
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Updated: Feb 7, 2026

Collection and Processing of Lymph Nodes from Large Animals for RNA Analysis: Preparing for Lymph Node Transcriptomic Studies of Large Animal Species
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Collection and Processing of Lymph Nodes from Large Animals for RNA Analysis: Preparing for Lymph Node Transcriptomic Studies of Large Animal Species

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Quantitative Profiling of the Lymph Node Clearance Capacity.

Cristina C Clement1, Wei Wang2, Monika Dzieciatkowska3

  • 1Department of Pathology, Albert Einstein College of Medicine, 1300 Morris Park Avenue, New York, NY, 10461, USA.

Scientific Reports
|July 28, 2018
PubMed
Summary
This summary is machine-generated.

Lymph nodes efficiently filter tissue fluid proteins, bacteria, and tumor cells. This study quantifies nodal filtration efficiency, crucial for understanding immune response and disease spread.

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Area of Science:

  • Immunology
  • Proteomics
  • Physiology

Background:

  • Lymphatic fluid transport and lymph node clearance are vital for fluid balance and immune surveillance.
  • Quantitative analysis of lymph node filtration of tissue-derived proteins in lymphatic fluid is lacking.

Purpose of the Study:

  • To quantify the efficiency of lymph node filtration of the proteomic load in lymphatic fluid.
  • To develop a model for nodal filtration efficiency.
  • To understand the criteria for lymph node clearance of incoming proteomes.

Main Methods:

  • Label-free and isotope-labeling proteomic analysis of pre-nodal and post-nodal lymphatic fluid.
  • Quantification of filtration efficiency using fluorophore-labeled proteins, bacteria, and beads infused at physiological flow rates.
  • Direct cannulation for sample collection.

Main Results:

  • Quantified nodal clearance efficiency for the composite proteomic load.
  • Developed a linear model for nodal filtration efficiency based on protein concentration and molecular weight.
  • Identified criteria for lymph node disposal of incoming proteomes under physiological conditions.

Conclusions:

  • Findings are pivotal for understanding the maximal antigenic load a lymph node can sustain.
  • Promotes understanding of pathogen spread and lymph node filtration of tumor metastasis.
  • Potential to improve vaccination protocols, immunization strategies, and drug delivery.