Atrial septum
E431111
The atrial septum is the wall of tissue that separates the heart’s left and right atria, helping maintain proper direction and separation of blood flow between them.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Atrial septum canonical | 1 |
| limbus of fossa ovalis | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4332153 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Atrial septum Context triple: [Heart, hasPart, Atrial septum]
-
A.
Human Heart
"Human Heart" is a solo studio album by Iranian-Canadian musical theatre actor and singer Ramin Karimloo, showcasing his blend of theatrical and contemporary music styles.
-
B.
Takic branch
The Takic branch is a subgroup of the Uto-Aztecan language family comprising several closely related Indigenous languages of Southern California.
-
C.
Eardrum
Eardrum is a 2007 studio album by American rapper Talib Kweli that showcases his socially conscious lyricism over a diverse range of hip-hop production.
-
D.
Atrium
Atrium is a shopping mall associated with the Atakule complex in Ankara, Turkey, offering a variety of retail, dining, and entertainment options.
-
E.
Einthoven triangle
The Einthoven triangle is a conceptual model in electrocardiography that represents the heart’s electrical activity using three limb leads arranged as an equilateral triangle around the torso.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Atrial septum Target entity description: The atrial septum is the wall of tissue that separates the heart’s left and right atria, helping maintain proper direction and separation of blood flow between them.
-
A.
Human Heart
"Human Heart" is a solo studio album by Iranian-Canadian musical theatre actor and singer Ramin Karimloo, showcasing his blend of theatrical and contemporary music styles.
-
B.
Takic branch
The Takic branch is a subgroup of the Uto-Aztecan language family comprising several closely related Indigenous languages of Southern California.
-
C.
Eardrum
Eardrum is a 2007 studio album by American rapper Talib Kweli that showcases his socially conscious lyricism over a diverse range of hip-hop production.
-
D.
Atrium
Atrium is a shopping mall associated with the Atakule complex in Ankara, Turkey, offering a variety of retail, dining, and entertainment options.
-
E.
Einthoven triangle
The Einthoven triangle is a conceptual model in electrocardiography that represents the heart’s electrical activity using three limb leads arranged as an equilateral triangle around the torso.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
anatomical structure
ⓘ
cardiac septum ⓘ component of the heart ⓘ |
| adjacentTo |
left atrial wall
ⓘ
right atrial wall ⓘ |
| associatedWithCondition |
atrial septal defect
ⓘ
coronary sinus atrial septal defect ⓘ paradoxical embolism via patent foramen ovale ⓘ patent foramen ovale ⓘ primum atrial septal defect ⓘ secundum atrial septal defect ⓘ sinus venosus atrial septal defect ⓘ |
| bloodSupply | branches of the coronary arteries ⓘ |
| canBeAccessedBy | transseptal puncture in cardiac catheterization ⓘ |
| clinicalSignificance |
important in structural heart interventions
ⓘ
site for interatrial shunts ⓘ |
| composedOf |
fibrous tissue
ⓘ
myocardial tissue ⓘ |
| developsFrom |
endocardial cushions
ⓘ
septum primum ⓘ septum secundum ⓘ |
| foundIn |
human heart
ⓘ
mammalian heart ⓘ |
| hasEmbryologicalFeature | foramen ovale in the fetus ⓘ |
| hasFunction |
helps maintain unidirectional blood flow through the heart
ⓘ
separates systemic and pulmonary venous blood in the atria ⓘ |
| hasOrientation | oblique in frontal plane ⓘ |
| hasPart |
fossa ovalis
ⓘ
limbus of fossa ovalis ⓘ
linked to:
Atrial septum
membranous portion ⓘ muscular portion ⓘ |
| imagedBy |
cardiac CT
ⓘ
cardiac MRI ⓘ transesophageal echocardiography ⓘ transthoracic echocardiography ⓘ |
| innervatedBy | cardiac plexus ⓘ |
| isSubjectOf |
cardiac anatomy
ⓘ
cardiology ⓘ |
| latinName |
septum atriorum
ⓘ
septum interatriale ⓘ |
| location | between left and right atria ⓘ |
| normallyClosesAs | fossa ovalis after birth ⓘ |
| partOf |
heart
ⓘ
interatrial septum complex ⓘ |
| playsRoleIn |
cardiac conduction between atria
ⓘ
hemodynamic separation of atrial chambers ⓘ |
| regulates | mixing of oxygenated and deoxygenated blood at atrial level ⓘ |
| separates |
left atrium
ⓘ
right atrium ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Atrial septum Description of subject: The atrial septum is the wall of tissue that separates the heart’s left and right atria, helping maintain proper direction and separation of blood flow between them.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.