Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Kidney: History, Structure & Function

In humans, the kidneys are two reddish-brown bean-shaped blood-filtering organs that are a multilobar, multipapillary form of mammalian kidneys, usually without signs of external lobulation. They are located on the left and right in the retroperitoneal space, and in adult humans are about 12 centimetres (4+1⁄2 inches) in length. They receive blood from…

Language: English [EN]
Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.
100%
More settings
100% 100% 100% 100% 100%

Kidney topic overview

The analysis highlights History, Structure and Function as prominent areas in the source structure around Kidney.

Related topics
274
Source areas
9
Connected nodes
283
Extracted relationships
169
Concept neighborhoods
93
Bridge connections
283

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 80 topics
Structure · 64 topics
Clinical significance · 53 topics
Function · 34 topics
Other animals · 28 topics
Gene and protein expression · 6 topics
History · 5 topics
Development · 2 topics
General and cited references · 2 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Artery
Renal artery
Greek
νεφρός (nephros)
Latin
ren
Nerve
Renal plexus
System
Urinary system and endocrine system
Vein
Renal vein

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Structure

Gene and protein expression

Development

Function

Clinical significance

Other animals

History

General and cited references

  • ISBN ISBN (identifier)
  • OCLC OCLC (identifier)

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Kidney connects Entity context

The extracted context around Kidney shows recurring relationship patterns in the source. For example, Kidney → Acid, ATP, Cl/K, CO2, H/K, H2CO3, H2O, HCO3, HCO3/Cl, In, It, K/Cl, On, The, These, They, Under, When Another extracted example is Kidney → Approximately, Congenital, Duplicated, Failure, It, Nutcracker, Renal, Syndromic Wilm's, This, UPJO. Use these groups to spot repeated connection types before inspecting the individual relationships.

Kidney

Top relations

related to Acid–base balance · 18
Kidney → Acid, ATP, Cl/K, CO2, H/K, H2CO3, H2O, HCO3, HCO3/Cl, In, It, K/Cl, On, The, These, They, Under, When
related to Congenital disease · 10
Kidney → Approximately, Congenital, Duplicated, Failure, It, Nutcracker, Renal, Syndromic Wilm's, This, UPJO
related to Blood pressure regulation · 8
Kidney → Although, Changes, Conversely, Each, II, Renin, This, When
related to Acquired disease · 7
Kidney → Chronic Kidney DiseaseRenal, Diabetic, Interstitial, One, Other, Pyelonephritis, The
related to Clinical significance · 7
Kidney → Internal Medicine, Nephrologists, Nephrology, Some, Surgery, There, Urology
related to Function · 7
Kidney → II, In, It, The, These, This, Various
related to Gene and protein expression · 7
Kidney → In, Just, Many, SLC22A8, Solute, Specific, The
related to history · 7
Kidney → AD, Galen, Hampton Young, Such, The, This, VF Marshall
related to Other animals · 7
Kidney → Amphioxus, However, In, Indeed, Invertebrates, Polystomatidae, The
related to Diagnosis · 6
Kidney → GFR, Instead, Many, Microscopic, The, Urine

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

renal kidneys blood urine function disease dialysis system left cell also filtration urinary right body one ureter acid adult protein

Kidney relationships Subject–Predicate–Object triples

TTTA extracted 169 structured relationships around Kidney. Examples in this analysis include Kidney → Artery → Renal artery and Kidney → Greek → νεφρός (nephros). The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
KidneyArteryRenal artery1.00infobox
KidneyGreekνεφρός (nephros)1.00infobox
KidneyLatinren1.00infobox
KidneyNerveRenal plexus1.00infobox
KidneySystemUrinary system and endocrine system1.00infobox
KidneyVeinRenal vein1.00infobox
Kidneyis aadrenal gland0.90text
Kidneyis abean-shaped structure with a convex and a concave border0.90text
Kidneyis anephron0.90text
Kidneyis avery complex organ and mathematical modelling has been used to better understand kidney function at several scales0.90text
Kidneyis anephrectomy0.90text
kidney cancerinstance ofUrology is the specialty under Surgery that deals with kidney structure abnormalities0.80text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Kidney bring nearby vocabulary together. In this analysis, examples include Renal, Disease and Function. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Kidney
    • Renal
    • Disease
    • Function
    • One
    • Human
    • Approximately
    • Right
    • Left
    • Urine
    • Protein
    • Kidneys
    • Include
  • kidney
    • Renal
    • Disease
    • Function
    • One
    • Human
    • Approximately
    • Right
    • Left
    • Urine
    • Protein
    • Kidneys
    • Include
  • mammalian kidneys
    • Two
    • Urinary
    • Adult
    • Human
    • Urine
    • Renal
    • Kidney
    • Tract
    • Medical
    • Dialysis
    • Also
    • Body
  • chronic kidney disease
    • One
    • Renal
    • Disease
    • Function
    • Kidney
    • Approximately
    • Human
    • Right
    • Urine
    • Humans
    • Medical
    • Protein
  • kidney failure
    • Renal
    • Disease
    • Function
    • One
    • Human
    • Approximately
    • Right
    • Left
    • Urine
    • Protein
    • Kidneys
    • Include
  • kidney function
    • Renal
    • Dialysis
    • Used
    • Disease
    • Function
    • Kidney
    • Urine
    • One
    • Human
    • Approximately
    • Right
    • Include
  • kidney biopsy
    • Renal
    • Disease
    • Function
    • One
    • Human
    • Approximately
    • Right
    • Left
    • Urine
    • Protein
    • Kidneys
    • Include
  • kidney transplantation
    • Renal
    • Disease
    • Function
    • One
    • Human
    • Approximately
    • Right
    • Left
    • Urine
    • Protein
    • Kidneys
    • Include

Connections between topic areas Semantic bridges

For Kidney, one of the stronger structural bridges in this analysis connects Kidney with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Kidney — Overview · splits 203 ⟂ 81
Kidney — Structure · splits 219 ⟂ 65
Kidney — Clinical significance · splits 230 ⟂ 54
Kidney — Function · splits 249 ⟂ 35
Kidney — Other animals · splits 255 ⟂ 29
Kidney — Gene and protein expression · splits 277 ⟂ 7
Kidney — History · splits 278 ⟂ 6
Kidney — Development · splits 281 ⟂ 3
Kidney — General and cited references · splits 281 ⟂ 3

Map overview Semantic statistics

Kidney

Nodes284
Edges283
Triples169
Avg. degree1.99
Density0.007042
Components1

Source & methodology

TTTA analyzes the structure around Kidney to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Structure & Function, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Kidney · EN edition · Analysis: TopicsToTalkAbout

For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.