red nucleus
E804841
The red nucleus is a paired, reddish midbrain structure involved in motor coordination and relay of signals from the cerebellum to the spinal cord.
All labels observed (2)
| Label | Occurrences |
|---|---|
| contralateral red nucleus | 1 |
| red nucleus canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9524738 — 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: red nucleus Context triple: [substantia nigra, locatedVentralTo, red nucleus]
-
A.
substantia nigra
The substantia nigra is a midbrain structure rich in dopamine-producing neurons that plays a key role in movement control and is critically involved in Parkinson’s disease.
-
B.
globus pallidus
The globus pallidus is a key basal ganglia structure in the brain that helps regulate voluntary movement by modulating motor signals to the thalamus and cortex.
-
C.
subthalamic nucleus
The subthalamic nucleus is a small, lens-shaped structure in the basal ganglia that plays a key role in regulating movement and is critically involved in the pathophysiology and treatment of Parkinson’s disease.
-
D.
basal ganglia
The basal ganglia are a group of interconnected subcortical nuclei in the brain that play a key role in regulating movement, motor learning, and action selection.
-
E.
reticular nucleus of thalamus
The reticular nucleus of the thalamus is a thin shell of inhibitory (GABAergic) neurons surrounding the thalamus that regulates thalamocortical signaling and plays a key role in attention and sleep rhythms.
- 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: red nucleus Target entity description: The red nucleus is a paired, reddish midbrain structure involved in motor coordination and relay of signals from the cerebellum to the spinal cord.
-
A.
substantia nigra
The substantia nigra is a midbrain structure rich in dopamine-producing neurons that plays a key role in movement control and is critically involved in Parkinson’s disease.
-
B.
globus pallidus
The globus pallidus is a key basal ganglia structure in the brain that helps regulate voluntary movement by modulating motor signals to the thalamus and cortex.
-
C.
subthalamic nucleus
The subthalamic nucleus is a small, lens-shaped structure in the basal ganglia that plays a key role in regulating movement and is critically involved in the pathophysiology and treatment of Parkinson’s disease.
-
D.
basal ganglia
The basal ganglia are a group of interconnected subcortical nuclei in the brain that play a key role in regulating movement, motor learning, and action selection.
-
E.
reticular nucleus of thalamus
The reticular nucleus of the thalamus is a thin shell of inhibitory (GABAergic) neurons surrounding the thalamus that regulates thalamocortical signaling and plays a key role in attention and sleep rhythms.
- F. None of above. chosen
Statements (62)
| Predicate | Object |
|---|---|
| instanceOf |
midbrain structure
ⓘ
paired structure ⓘ |
| bloodSupply |
branches of posterior communicating artery
ⓘ
paramedian branches of posterior cerebral artery ⓘ |
| connectedTo |
cerebellum
ⓘ
cerebral cortex ⓘ inferior olivary nucleus ⓘ
linked to:
inferior olive
spinal cord ⓘ |
| developsFrom | mesencephalic tegmentum ⓘ |
| givesRiseTo |
rubro-olivary fibers
ⓘ
rubrospinal tract ⓘ rubrothalamic fibers ⓘ |
| hasCauseOfColor |
high iron content
ⓘ
rich vascularization ⓘ |
| hasCellType |
large multipolar neurons
ⓘ
small parvocellular neurons ⓘ |
| hasColor | reddish ⓘ |
| hasOrientation | oblique in sagittal plane ⓘ |
| hasShape | oval ⓘ |
| hasSubregion |
magnocellular part of red nucleus
ⓘ
parvocellular part of red nucleus ⓘ |
| involvedIn |
gait regulation
ⓘ
limb movement control ⓘ modulation of spinal motor neurons ⓘ motor coordination ⓘ motor learning ⓘ posture control ⓘ relay of cerebellar signals ⓘ |
| isPairedWith |
contralateral red nucleus
ⓘ
linked to:
red nucleus
|
| lesionEffect |
Holmes tremor
ⓘ
ataxia ⓘ contralateral tremor ⓘ intention tremor ⓘ |
| lessProminentIn | adult humans ⓘ |
| locatedDorsalTo | substantia nigra ⓘ |
| locatedIn |
midbrain
ⓘ
tegmentum of midbrain ⓘ |
| locatedMedialTo | cerebral peduncle ⓘ |
| locatedRostralTo | substantia nigra ⓘ |
| moreProminentIn | non-human mammals ⓘ |
| neurotransmitter |
GABA
ⓘ
dopamine (minor populations) ⓘ glutamate ⓘ |
| partOf |
brainstem
ⓘ
extrapyramidal motor system ⓘ |
| playsRoleIn |
fine control of distal limb muscles
ⓘ
flexor muscle facilitation ⓘ |
| presentIn | mammals ⓘ |
| projectsVia |
central tegmental tract
ⓘ
rubrospinal tract ⓘ |
| receivesInputFrom |
cerebellar dentate nucleus
ⓘ
cerebellar interposed nuclei ⓘ globus pallidus ⓘ motor cortex ⓘ premotor cortex ⓘ somatosensory cortex ⓘ
linked to:
primary somatosensory cortex
spinal cord ⓘ subthalamic nucleus ⓘ |
| sendsOutputTo |
inferior olive
ⓘ
reticular formation ⓘ spinal cord ⓘ thalamus ⓘ |
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: red nucleus Description of subject: The red nucleus is a paired, reddish midbrain structure involved in motor coordination and relay of signals from the cerebellum to the spinal cord.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: red nucleus