Affixes
Sensitivity to pain
alges
Main and largest part of the brain
Cerebrum
Nerves that send signals from the body to the brain and spinal cord
Afferent nerves
Fatty material the covers some axons
myelin
Star shaped glial cell
astrocyte
Cavity in an organ
ventriculo
Bundle of axons
nerve
Involuntary response to a stimulus
reflex
Protein on a cell that detects a stimulus
receptor
Part of the nervous system that controls unconscious actions
autonomic nervous system (ANS)
Inside the head
encephalo
The "little brain"
cerebellum
Chemical released by a neuron allowing it to communicate to other cells or neurons
neurotransmitter
Deep grooves found on the brain surface
fissure
Tissue in the brain and spinal cord primarily composed of myelinated axons
white matter
Head
cephalo
Connects the brain to the spinal cord
brain stem
Collection of interconnecting nerves
Plexus
Another name for a neuron cell body
soma
Glial cell that produces myelin in the PNS
Schwann cells
Skull
Main cell of the nervous system
neuron
Division of the nervous system that controls skeletal muscles
Fluid surrounding the brain and spinal cord
cerebrospinal fluid (CSF)
Nerves that send motor signals from the brain and spinal cord to the body
Efferent