Reference

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CompoundsSubstances with curated findings
OutcomesMeasured endpoints
ProteinsTransporters and enzymes
InteractionsPairs that share biology
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Chemistry

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

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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
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AssessmentsRegulatory determinations, transcribed
DiseasesFeatures, genes, and where each sits

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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

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

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

Disease

anus disorder

MONDO:0002519Mondo

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Findings

No curated finding names anus disorder yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.

Definition

A non-neoplastic or neoplastic disorder that affects the anal canal or anal margin. Representative examples of non-neoplastic disorders include hemorrhoids and anal ulcer. Representative examples of neoplastic disorders include carcinoma, lymphoma, and melanoma.

Definition from the Mondo Disease Ontology (MONDO:0002519), read 2026-09-29. CC BY 4.0.

Where it sits

A kind of: rectal disorder
Narrower terms (7): anal polyp
anal spasm
anorectal stricture
anus neoplasm
imperforate anus
levator syndrome
proctitis

Other names

7 names

Resolves to: anus disorder

Also called: anal disorderanus diseaseanus disease or disorderdisease of anusdisease or disorder of anusdisorder of anal regiondisorder of anus