Reflexes & Spinal cord

2 posterior tips of grey matter that receive sensory information

• ventral root

• dorsal horn

• ventral horn

• central canal

• dorsal roots

contains motor neurons grouped together on the anterior side

• ventral root

• dorsal horn

• ventral horn

• central canal

• dorsal roots

contains motor neurons grouped together on the posterior side

• ventral root

• dorsal horn

• ventral horn

• central canal

• dorsal roots

2 anterior tips of grey matter that contain cell bodies of motor neurons

• ventral root

• dorsal horn

• ventral horn

• central canal

• dorsal roots

runs the entire length of the spinal cord and connects to ventricles (it is filled with CSF)

• ventral root

• dorsal horn

• ventral horn

• central canal

• dorsal roots

afferent neurons

• sensory neurons

• interneurons

• motor neurons

• dorsal root ganglion

• white matter

carries nerve impulses from sensory receptors to the CNS

• sensory neurons

• interneurons

• motor neurons

• dorsal root ganglion

• white matter

connects sensory neurons to motor neurons in reflex arcs

• sensory neurons

• interneurons

• motor neurons

• dorsal root ganglion

• white matter

forms grey matter of the brain and are responsible for complex processing of information.

• sensory neurons

• interneurons

• motor neurons

• dorsal root ganglion

• white matter

The simplest neural pathway is a(n) ____.

• action potential

• reflex arc

• synaptic cleft