Research any topic before you write.

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

Choroid

The choroid, also known as the choroidea or choroid coat, is a part of the uvea, the vascular layer of the eye. It contains connective tissues, and lies between the retina and the sclera. The human choroid is thickest at the far extreme rear of the eye (at 0.2 mm), while in the outlying areas it narrows to 0.1 mm. The choroid provides oxygen and…

History & Art

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Choroid. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Key facts & relationships

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

Artery
Short posterior ciliary arteries, long posterior ciliary arteries
FMA
58298
Latin
choroidea
MeSH
D002829
TA2
6774
TA98
A15.2.03.002

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Blood supply

Mechanism

History

Clinical significance

Additional images

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.

Map overview Semantic statistics

Choroid

Nodes50
Edges49
Triples38
Avg. degree1.96
Density0.04
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Choroid

Top relations

related to Imaging the choroid and its blood flow · 10
Choroid → Doppler, ICGA, In, Laser Doppler, Laser-Doppler, LDH, OCT, OCTA, Optical, Structural
related to history · 5
Choroid → About, BCE, Democritus, Herophilos, The
related to Blood supply · 4
Choroid → Both, It, The, These
related to Mechanism · 4
Choroid → In, Melanin, Tapetum, The
related to Clinical significance · 3
Choroid → Bilateral, Choroidal, The
related to Additional images · 2
Choroid → Laser Doppler, Schematic
related to In bony fish · 2
Choroid → Teleosts, Though
Artery · 1
Choroid → Short posterior ciliary arteries, long posterior ciliary arteries
FMA · 1
Choroid → 58298
Latin · 1
Choroid → choroidea

Important terminology Word statistics

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

Important terminology

eye choroidal retina nerve human flow blood arteries ciliary melanin vascular retinal optic also uveal vessels layer layers posterior iris

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
ChoroidArteryShort posterior ciliary arteries, long posterior ciliary arteries1.00infobox
ChoroidFMA582981.00infobox
ChoroidLatinchoroidea1.00infobox
ChoroidMeSHD0028291.00infobox
ChoroidTA267741.00infobox
ChoroidTA98A15.2.03.0021.00infobox
the pachychoroid disease spectrum.In bony fishTeleosts bear a body of capillaries adjacent to the optic nerve called the choroidal glandinstance ofthat may be relevant in conditions0.80text
the pachychoroid disease spectruminstance ofthat may be relevant in conditions0.80text
Choroidrelated to Additional imagesSchematic0.60section
Choroidrelated to Additional imagesLaser Doppler0.60section
Choroidrelated to Blood supplyThe0.60section
Choroidrelated to Blood supplyBoth0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.