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Nephrotic Syndrome I : Introduction

Nephrotic Syndrome I : Introduction

Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of...

Glomerular Filtration

Glomerular Filtration

The filtration membrane in the renal system is a highly specialized structure essential for filtering blood. It consists of glomerular capillaries and podocytes, forming a selective barrier that permits the passage of water and small solutes while restricting most plasma proteins and blood cells.
Components of the Filtration Membrane
The filtration process involves three key layers: the glomerular endothelial cells, the basement membrane, and the podocyte-formed filtration slits.

Renal Corpuscle

Renal Corpuscle

The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...

Confocal Fluorescence Microscopy

Confocal Fluorescence Microscopy

Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...

Nephrons

Nephrons

The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma...

Glomerular Filtration Rate and its Regulation

Glomerular Filtration Rate and its Regulation

The Glomerular Filtration Rate (GFR) is a measure of kidney function, reflecting the volume of filtrate formed per minute in the kidneys. On average, GFR is approximately 125 mL/min in males and 105 mL/min in females. Maintaining a relatively constant GFR is essential for the kidneys to effectively regulate body fluid homeostasis and maintain extracellular stability.
GFR regulation involves two primary intrinsic controls: the myogenic and tubuloglomerular feedback mechanisms.
The myogenic...

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Related Experiment Video

Updated: Jan 10, 2026

Nephrotic Syndrome I : Introduction

Nephrotic Syndrome I : Introduction

Published on: June 19, 2025

Cooperating with the future.

Oliver P Hauser¹, David G Rand², Alexander Peysakhovich³

¹1] Program for Evolutionary Dynamics, Harvard University, Cambridge, Massachusetts 02138, USA [2] Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA [3].

|July 11, 2014

Summary

This summary is machine-generated.

Cooperation with future generations is difficult because they cannot reciprocate. Voting on resource extraction, rather than individual decisions, consistently sustains resources for the future.

More Related Videos

Glomerular Filtration

Glomerular Filtration

Renal Corpuscle

Renal Corpuscle

Related Experiment Videos

Last Updated: Jan 10, 2026

Nephrotic Syndrome I : Introduction

Nephrotic Syndrome I : Introduction

Published on: June 19, 2025

Glomerular Filtration

Glomerular Filtration

Renal Corpuscle

Renal Corpuscle

Area of Science:

Environmental Economics
Behavioral Economics
Game Theory

Background:

Overexploitation of renewable resources impacts future generations' welfare.
Future generations cannot reciprocate actions, posing challenges for cooperation.
Existing public goods games do not fully address intergenerational dynamics.

Purpose of the Study:

To investigate mechanisms for maintaining cooperation with future generations.
To introduce and analyze the 'Intergenerational Goods Game' experimental paradigm.
To determine effective strategies for sustainable resource management across generations.

Main Methods:

Development of the 'Intergenerational Goods Game' with successive groups (generations).
Experimental manipulation of individual versus collective (voting) resource extraction decisions.
Analysis of resource sustainability and generation payoffs under different decision-making rules.

Main Results:

Individual resource extraction decisions led to near-certain resource destruction.
A minority of individuals over-extracting resources was the primary driver of failure.
Democratic voting on resource extraction consistently sustained the resource.
Voting effectively restrained defectors and reassured conditional cooperators.

Conclusions:

Democratic decision-making, specifically voting, can sustain intergenerational public goods.
Voting's effectiveness relies on its ability to enforce cooperation and manage defectors.
Policy interventions promoting binding, collective decision-making are crucial for intergenerational sustainability.