Magendie’s law
E626777
Magendie’s law is a principle in neurophysiology stating that the anterior (ventral) spinal nerve roots are primarily motor while the posterior (dorsal) roots are primarily sensory.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Magendie’s law canonical | 2 |
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
law in neuroanatomy
ⓘ
neurophysiological principle ⓘ |
| alsoKnownAs |
Bell–Magendie principle
NERFINISHED
ⓘ
Magendie law NERFINISHED ⓘ |
| appliesTo |
spinal cord
ⓘ
spinal nerve roots ⓘ |
| category | principle of functional localization ⓘ |
| clarifies |
direction of information flow in spinal roots
ⓘ
functional organization of spinal nerves ⓘ |
| component |
dorsal spinal nerve roots
ⓘ
ventral spinal nerve roots ⓘ |
| concerns |
dorsal root ganglion
ⓘ
reflex arcs ⓘ somatic nervous system ⓘ |
| describes | functional difference between ventral and dorsal spinal nerve roots ⓘ |
| evidenceType | experimental lesion studies in animals ⓘ |
| field |
neuroanatomy
ⓘ
neurophysiology ⓘ |
| hasLimitation | does not account for all mixed or autonomic fibers ⓘ |
| historicalContext | formulated in the 19th century ⓘ |
| influenced | development of experimental physiology ⓘ |
| language | English label "Magendie’s law" NERFINISHED ⓘ |
| namedAfter | François Magendie NERFINISHED ⓘ |
| relatedConcept | Bell–Magendie law NERFINISHED ⓘ |
| relatedTo | Charles Bell’s work on spinal roots ⓘ |
| relatesTo |
afferent nerve fibers
ⓘ
efferent nerve fibers ⓘ motor function ⓘ sensory function ⓘ |
| states |
anterior (ventral) spinal nerve roots are primarily motor
ⓘ
posterior (dorsal) spinal nerve roots are primarily sensory ⓘ |
| supports | localization of spinal cord lesions ⓘ |
| usedIn |
clinical neurology
ⓘ
medical education ⓘ neuroanatomy teaching ⓘ neurosurgery ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.