alpha motor neuron

antagonistic muscles

anterior horn

anterior median fissure

arachnoid mater

ascend

autonomic motor neuron

axon

cauda equina

central canal

cerebrospinal fluid

cervical

cervical enlargement

coccygeal

coccyx

column

commissure

conus medullaris

cross section

crossed extensor reflex

dendrite

denticulate ligament

dermatomal distribution

descend

dorsal ganglion

dorsal root

dura mater

effector organ

endoneurium

epidural space

epineurium

excitatory interneuron

extensor

fasciculus

filum terminale

flexor

foramen magnum

free nerve ending

functional unit

funiculus

Golgi tendon reflex

gray commissure

gray matter

homeostatic

inhibitory interneuron

intercostal nerve

interneuron

involuntary

L2 vertebra

lateral horn

lower limbs

lumbar

lumbar enlargement

meninx

motor neuron

motor unit

muscle spindle

myelinated axon

neuron cell body

pain sensors

perineurium

peripheral nerve

pia mater

plexus

posterior horn

posterior median sulcus

ramus

receptor

reciprocal innervation

reflex

response

root

rootlet

sacral

sensor input

sensory neuron

sensory receptor

serous fluid

somatic motor neuron

spinal cord

spinal nerve

stimulation

stimulus

stretch reflex

subarachnoid space

subdural space

synapse

tendon

thoracic

tract

unconscious

upper limbs

ventral root

ventricle

vertebral canal

white commissure

white matter

withdrawal reflex