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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 happens...

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Related Experiment Video

Updated: Jul 29, 2026

5/6th Nephrectomy in Combination with High Salt Diet and Nitric Oxide Synthase Inhibition to Induce Chronic Kidney Disease in the Lewis Rat

5/6th Nephrectomy in Combination with High Salt Diet and Nitric Oxide Synthase Inhibition to Induce Chronic Kidney Disease in the Lewis Rat

Published on: July 3, 2013

[History of nephrectomy].

N Al-Khalil¹, P Panchev, Kh Kumanov

¹Government University Hospital "Aleksandrovska," Department of Urology, Sofia, Bulgaria.

|February 24, 2001

Summary

Removing a single kidney is not fatal if the other functions, a fact established through early experiments and human cases. This historical overview traces nephrectomy development, including its decline in favor of organ-sparing techniques and the rise of laparoscopic nephrectomy.

Area of Science:

Nephrology
Surgical History
Urology

Background:

Early animal experiments and accidental human nephrectomies established that survival is possible with a single functioning kidney.
The first routine nephrectomy was performed by Gustav Simon in 1869, marking a significant point in surgical history.

Observation:

The development of nephrectomy, both globally and in Bulgaria, is traced from the late 19th century.
Initially a common procedure, nephrectomy rates decreased with advancements in diagnostic techniques, leading to more organ-sparing interventions.

Findings:

Nephrectomy was a frequent kidney operation in the early 20th century but saw reduced application later.
Laparoscopic nephrectomy, introduced in the 1990s, is a safe option for malignant renal pathology and selected urological conditions.

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Implications:

The evolution of nephrectomy reflects progress in surgical techniques and diagnostic capabilities.
Laparoscopic nephrectomy represents a modern, minimally invasive approach to kidney removal, expanding treatment options for renal diseases.