interpret incoming info and issue instructions

communication between brain and muscles

issue instructions

interpret incoming info

spinal nerves

spinal nerves and cranial nerves

neurons

cranial nerves

sensory and motor division

somatic and autonomic division

voluntary and involuntary division

schwann cells and satellite cells

efferent and afferent divison

voluntary and involuntary division

skeletal and smooth division

somatic and autonomic division

makes up myelin sheath

lines central cavity in the brain

supporting cells in the CNS

ingest debris

assists in exchange between blood cells and neurons

assists in exchange between blood capillaries and neurons

circulates cerebrospinal fluid with beating cilia

protects and cushions PNS cell bodies

phagocyte that ingest debris

phagocyte that lines central cavity of brain

phagocyte that makes up a myelin sheath

phagocyte that supports cells in the PNS

lines central cavity of the cell bodies

lines central cavity of the brain and spinal cord

makes up a myelin cell

found between two schwans cells

makes up a node of Ranvier

makes up a dendrite

makes up a axon

makes up a myelin sheath

form the myelin sheath on a double neuron

form the myelin sheath on a single neuron

protects and cushions PNS cell bodies

protects and cushions CNS cell bodies

protects and cushions PNS cell bodies

makes up myelin sheath on single neuron

protects and cushions CNS cell bodies

makes up myelin sheath on double neuron

sends impulses

CNS nerve fibers

receptive signals to cell body

interacts with muscle cells

sends impulses

myelinated nerve fibers

fluid filled space at synapse

receives impulses

receptive signals to cell body

interacts with other neurons

interacts with sarcolemma of muscle cells

PNS axons

region of communication between neurons or muscle cells

fluid filled space at synapse between cell bodies

white, fatty, lipid substance

fluid filled space at synapse between neurons

region of communication between cell bodies

region of communication between neurons or muscle cells

region of communication between axons

CNS nerve fiber

white, fatty, lipid substance

gray matter

white matter

CNS nerve fiber

PNS nerve fibers

CNS axons

PNS axons

CNS nerve fibers

PNS nerve fibers

PNS axons

CNS nerve fibers

CNS axons

unmyelinated nerve fibers

myelinated nerve fibers

unmyelinated nerve fibers and cell bodies

myelinated nerve fibers and cell bodies

large fiber tract of cerebral gray matter

sulcus

large fiber tract of cerebral white matter

fissure