Betz cells
E764621
Betz cells are large, pyramidal neurons in the primary motor cortex that play a key role in voluntary motor control by sending long axons to the spinal cord.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
neuron type
ⓘ
pyramidal neuron ⓘ upper motor neuron ⓘ |
| axonType | long projection axon ⓘ |
| belongsToPathway |
corticospinal pathway
ⓘ
pyramidal tract NERFINISHED ⓘ |
| cellBodyShape | pyramidal ⓘ |
| cellBodySize | very large ⓘ |
| contributesTo |
muscle strength control
ⓘ
skilled hand movements ⓘ |
| discoveredBy | Vladimir Betz NERFINISHED ⓘ |
| discoveryCentury | 19th century ⓘ |
| foundInSpecies |
human
ⓘ
mammal ⓘ |
| hasApicalDendriteOrientation | toward cortical surface ⓘ |
| hasBasalDendriteOrientation | horizontally within layer V ⓘ |
| hasCellBodyLocation | deep part of layer V ⓘ |
| hasClinicalRelevance |
affected in motor neuron diseases
ⓘ
degenerate in amyotrophic lateral sclerosis ⓘ involved in upper motor neuron signs when damaged ⓘ |
| hasDendriteType |
apical dendrite
ⓘ
basal dendrites ⓘ |
| hasFunction |
corticospinal signaling
ⓘ
voluntary motor control ⓘ |
| hasSomaDiameter | up to about 100 micrometers ⓘ |
| involvedIn |
fine motor control
ⓘ
motor output from cortex to spinal cord ⓘ voluntary movement of distal limbs ⓘ |
| isSubtypeOf |
corticospinal neuron
ⓘ
layer V pyramidal neuron ⓘ |
| layerLocation |
cortical layer V
ⓘ
layer Vb of primary motor cortex ⓘ |
| locatedIn |
precentral gyrus
NERFINISHED
ⓘ
primary motor cortex NERFINISHED ⓘ |
| namedAfter | Vladimir Betz NERFINISHED ⓘ |
| neuronClass | excitatory neuron ⓘ |
| neurotransmitter | glutamate ⓘ |
| partOf |
cerebral cortex
NERFINISHED
ⓘ
motor system ⓘ |
| projectsTo |
corticospinal tract
NERFINISHED
ⓘ
spinal cord ⓘ |
| receivesInputFrom |
other cortical neurons
ⓘ
thalamic nuclei ⓘ |
| relativeSize | among the largest neurons in the human brain ⓘ |
| sendsOutputTo |
alpha motor neurons
ⓘ
spinal interneurons ⓘ spinal motor circuits ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.