Inferior vena cava
E432890
The inferior vena cava is a large vein that carries deoxygenated blood from the lower half of the body back to the heart.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Inferior vena cava canonical | 1 |
| inferior vena cava | 1 |
| vena cava inferior | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4332170 — 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: Inferior vena cava Context triple: [Heart, connectedTo, Inferior vena cava]
-
A.
Vena Canal
Vena Canal is a principal waterway running through the historic fishing town of Chioggia in Italy’s Venetian lagoon.
-
B.
Superior vena cava
The superior vena cava is a large vein that returns deoxygenated blood from the upper body to the right atrium of the heart.
-
C.
Pulmonary artery
The pulmonary artery is the large blood vessel that carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.
-
D.
Pulmonary veins
The pulmonary veins are blood vessels that carry oxygen-rich blood from the lungs to the left atrium of the heart.
-
E.
Clyve
Clyve is a given name, typically a modern or stylistic variant of the name Clive.
- 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: Inferior vena cava Target entity description: The inferior vena cava is a large vein that carries deoxygenated blood from the lower half of the body back to the heart.
-
A.
Vena Canal
Vena Canal is a principal waterway running through the historic fishing town of Chioggia in Italy’s Venetian lagoon.
-
B.
Superior vena cava
The superior vena cava is a large vein that returns deoxygenated blood from the upper body to the right atrium of the heart.
-
C.
Pulmonary artery
The pulmonary artery is the large blood vessel that carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.
-
D.
Pulmonary veins
The pulmonary veins are blood vessels that carry oxygen-rich blood from the lungs to the left atrium of the heart.
-
E.
Clyve
Clyve is a given name, typically a modern or stylistic variant of the name Clive.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
blood vessel
ⓘ
large vein ⓘ systemic vein ⓘ vein ⓘ |
| abbreviation | IVC ⓘ |
| carries | deoxygenated blood ⓘ |
| clinicalSignificance |
can be affected by deep vein thrombosis extension
ⓘ
can be involved in Budd–Chiari syndrome ⓘ may be compressed in late pregnancy ⓘ site of inferior vena cava filter placement ⓘ |
| courseRelativeToAorta | to the right of abdominal aorta ⓘ |
| drains |
abdomen
ⓘ
abdominal wall ⓘ gonads ⓘ kidneys ⓘ liver ⓘ lower half of the body ⓘ lower limbs ⓘ lumbar region ⓘ pelvis ⓘ retroperitoneal structures ⓘ |
| embryologicalOrigin |
subcardinal veins
ⓘ
supracardinal veins ⓘ vitelline veins ⓘ |
| formedAtVertebralLevel | L5 ⓘ |
| hasSegment |
hepatic segment
ⓘ
postrenal segment ⓘ prerenal segment ⓘ renal segment ⓘ |
| latinName |
vena cava inferior
ⓘ
linked to:
Inferior vena cava
|
| location |
abdomen
ⓘ
retroperitoneal space ⓘ |
| originatesFrom | confluence of right and left common iliac veins ⓘ |
| partOf |
cardiovascular system
ⓘ
systemic circulation ⓘ venous system ⓘ |
| passesThrough |
caval opening of diaphragm
ⓘ
central tendon of diaphragm ⓘ |
| receivesBloodFrom |
common iliac veins
ⓘ
hepatic veins ⓘ inferior phrenic veins ⓘ lumbar veins ⓘ renal veins ⓘ right gonadal vein ⓘ right suprarenal vein ⓘ |
| runsAlong | right side of vertebral column ⓘ |
| suppliesRegion |
returns blood from abdominal viscera
ⓘ
returns blood from lower extremities ⓘ |
| terminatesIn | right atrium of heart ⓘ |
| vertebralLevelOfCavalOpening | T8 ⓘ |
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: Inferior vena cava Description of subject: The inferior vena cava is a large vein that carries deoxygenated blood from the lower half of the body back to the heart.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Inferior vena cava
linked to: Inferior vena cava