spinal accessory motor neuron

Term ID

CL:0000741

Synonyms

• SACMN

Definition

A motor neuron that is located in the cervical region of the spinal cord and selectively innervates the sternocleidmastoid or trapezius muscle. Unlike other motor neurons, they extend axons dorsally along lateral margins of the spinal cord. 16267219

References

Ontology

Cell Ontology