juxtaglomerular apparatus in dogs

An anatomical structure which consists of juxtaglomerular cells, extraglomerular mesangial cells and the macula densa. The juxtaglomerular apparatus lies adjacent to the glomerulus and regulates kidney function by maintaining the blood flow to the kidney and the filtration rate[GO]. a microscopic structure in the kidney, which regulates the function of each nephron. The juxtaglomerular apparatus is named for its proximity to the glomerulus: it is found between the vascular pole of the renal corpuscle and the returning distal convoluted tubule of the same nephron. This location is critical to its function in regulating renal blood flow and glomerular filtration rate. The three cellular components of the apparatus are the macula densa, extraglomerular mesangial cells, and juxtaglomerular cells (also known as granular cells)[WP]. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the juxtaglomerular apparatus is

An anatomical structure which consists of juxtaglomerular cells, extraglomerular mesangial cells and the macula densa. The juxtaglomerular apparatus lies adjacent to the glomerulus and regulates kidney function by maintaining the blood flow to the kidney and the filtration rate[GO]. a microscopic structure in the kidney, which regulates the function of each nephron. The juxtaglomerular apparatus is named for its proximity to the glomerulus: it is found between the vascular pole of the renal corpuscle and the returning distal convoluted tubule of the same nephron. This location is critical to its function in regulating renal blood flow and glomerular filtration rate. The three cellular components of the apparatus are the macula densa, extraglomerular mesangial cells, and juxtaglomerular cells (also known as granular cells)[WP]. The atlas records it as an anatomical structure at the organ scale in the dog.

Where the juxtaglomerular apparatus is

It sits in the abdomen and trunk, within the urinary system. Only the region is known. The position shown is somewhere plausible inside it and nothing more.

What the juxtaglomerular apparatus connects to

The atlas records 5 typed relationships for it, across 3 kinds of connection. part of cortex of kidney.

Supply and innervation

This dataset asserts no arterial supply, venous drainage or innervation for the juxtaglomerular apparatus. Only a minority of structures carry those edges here, so an empty answer means nothing has been recorded — not that there is nothing to record.

Also called

Also recorded as complexus juxtaglomerularis and juxtaglomerular complex. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0002303, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: cortex of kidney.
• A kind of: anatomical structure.
• contains: macula densa, extraglomerular mesangium and part of afferent arteriole forming the juxtaglomerular complex.

Questions

Where is the juxtaglomerular apparatus?

It sits in the abdomen and trunk, within the urinary system. Only the region is known. The position shown is somewhere plausible inside it and nothing more.

What does the juxtaglomerular apparatus connect to?

Part of: cortex of kidney.

Is the juxtaglomerular apparatus the same in other species?

This page describes the dog. The human record of the same structure sits beside it on /compare, over one shared model rather than two atlases built separately.