Anatomy

Juxtaglomerular Apparatus

A complex of cells consisting of juxtaglomerular cells, extraglomerular mesangium lacis cells, the macula densa of the distal convoluted tubule, and granular epithelial peripolar cells. Juxtaglomerular cells are modified SMOOTH MUSCLE CELLS found in the walls of afferent glomerular arterioles and sometimes the efferent arterioles. Extraglomerular mesangium lacis cells are located in the angle between the afferent and efferent glomerular arterioles. Granular epithelial peripolar cells are located at the angle of reflection of the parietal to visceral angle of the renal corpuscle.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A complex of cells consisting of juxtaglomerular cells, extraglomerular mesangium lacis cells, the macula densa of the distal convoluted tubule, and granular epithelial peripolar cells. Juxtaglomerular cells are modified SMOOTH MUSCLE CELLS found in the walls of afferent glomerular arterioles and sometimes the efferent arterioles. Extraglomerular mesangium lacis cells are located in the angle between the afferent and efferent glomerular arterioles. Granular epithelial peripolar cells are located at the angle of reflection of the parietal to visceral angle of the renal corpuscle.

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Synonyms

1 entry terms
  • Apparatus, Juxtaglomerular

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Aspects Covered

24 allowable subheadings

Indexed with the subheadings abnormalities, anatomy & histology, blood supply, chemistry, cytology, diagnostic imaging, drug effects, embryology, enzymology, growth & development, immunology, injuries, innervation, metabolism, microbiology, parasitology, pathology, physiology, physiopathology, radiation effects, surgery, transplantation, ultrastructure, virology.

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History Note

66(64)

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Tree Numbers

  1. A05w.810w.453w.324w.359w.520w
  2. A05w.810w.453w.736w.520w.520w

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NLM Classification

WJ 301

AMA Style

References

  1. National Library of Medicine. Juxtaglomerular Apparatus. Medical Subject Headings (MeSH). 2026. Unique ID D007606. http://id.nlm.nih.gov/mesh/2026/D007606
  2. Juxtaglomerular Apparatus. In: Wikipedia. https://en.wikipedia.org/wiki/Juxtaglomerular_apparatus
  3. Juxtaglomerular Apparatus. In: Wikidata. https://www.wikidata.org/wiki/Q1358572