Reference

Evidence

CompoundsSubstances with curated findings
OutcomesMeasured endpoints
ProteinsTransporters and enzymes
InteractionsPairs that share biology
PapersEvery paper a finding cites
ArticlesReadings of the evidence

Chemistry

ReactionsRhea and Human-GEM, by subsystem
ReachWhat a compound can become

Reference layer

PathwaysReactions grouped under one name
ProcessesWhat proteins are annotated as doing
AnatomyTissues, by what is expressed there
Cell typesCells, by what is expressed there
OrganismsSpecies a compound is prepared from
MaterialsSubstances that are not one molecule
AssessmentsRegulatory determinations, transcribed
DiseasesFeatures, genes, and where each sits

Atlas Graph Twin Access

Search the graph

Search ?

Reference

Evidence

Compounds
Outcomes
Proteins
Interactions
Papers
Articles

Chemistry

Reactions
Reach

Reference layer

Pathways
Processes
Anatomy
Cell types
Organisms
Materials
Assessments
Diseases

Atlas Graph Twin Access

Loading the page.

Catalyst

Computational infrastructure for human biology, built on a provenance-aware knowledge graph. Findings retain their sources; research and simulation are the next layers.

The graph

Compounds
Outcomes
Proteins
Atlas
Interactions
Papers
Articles
Graph
Search

Reference layer

Pathways
Processes
Anatomy
Cell types
Organisms
Materials
Assessments
Diseases
Reactions
Reach

How it works

Mission
Method
Twin
How to read the evidence
Sources and licences

Build on it

Access
In your assistant
For agents
Query the graph
Bulk export

A reference for what the literature reports. Not medical advice.

Disease

lichen sclerosus et atrophicus

MONDO:0007899Mondo

Open in the graph

Findings

No curated finding names lichen sclerosus et atrophicus yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.

Definition

A chronic inflammatory process affecting the skin. It is characterized by the presence of white, indurated plaques, epidermal atrophy, and fibrosis of the upper dermis. It usually appears in the vulva and penis.

Definition from the Mondo Disease Ontology (MONDO:0007899), read 2026-09-29. CC BY 4.0.

Where it sits

A kind of: dermatitis
hereditary skin disorder
Narrower terms (1): vulvar lichen sclerosus