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Nervous System (Peripheral Nervous System (Neuron (Neuroglia (Schwann…
Nervous System
Peripheral Nervous System
Cranial Nerves
signals carried to/from brain
Spinal Nerves
signals carried to/from spinal cord
Neuron
Neuroglia
Satellite cells
surround ganglia
Schwann Cells
myelinated
cover axons
non-myelinated
Nerves
collection of axons
Ganglion
collection of neuron cell bodies
Central Nervous System
Brain
Spinal Cord
White Matter
Neurons
Myelinated+Unmyelinated Axons
Gray Matter
Dendrites
Unmyelinated Axons
Axon Terminals
Neurons
Tract
collection of axons
Neuroglia (insulate+support neurons)
Astrocytes
most abundent
Microglial cell
defense
Ependymal
line CSF
Cilia+Microvilli
Oligodendrocytes
form myelin sheaths around axons
Nucleus
collection of neuron cell bodies
Integration(of CNS+PNS)
Afferent/Sensory Divison
PNS carry toward CNS
Somatic Sensory Fiber
Limbs
Touch/pain/pressure/vibration/temperature
Body Wall
Skin
Proprioceptors
Sense of your own body
Hearing/equilibrium/vision
Visceral Sensory Fiber
Digestive system
Urinary tract
Reproductive organs
Stretch/pain/temperature/
other viscera
tounge
nasal cavity
Chemical senses
Efferent/Motor Division
PNS carry away from CNS
Visceral Motor Fiber
Smooth Muscle
Cardiac Muscle
Involuntary
Glands
Endocrine Glands
hormones
Exocrine Glands
merocrine
apocrine
holocrine
Somatic Motor Fiber
Limbs
Voluntary
Body Wall
Skeletal Muscle