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Nervous system (Both (Ganglion (Collection of neuron cell bodies, Attach…
Nervous system
Both
Ganglion
Collection of neuron cell bodies
Attach to spinal cord
Connect PNS to CNS
Nerve
Clusters of fasicles
Nucleus
Sensory receptor
Pass on impulses to sensory neurons
Central Nervous system
Neuroglia /Glial cells
Microglia
Phagocytes
Mobil
Destroy pathogens
Clean up dead cells
Ependymal cells
Cuboidal/ columnar epithelium
Cilia moves cerebrospinal fluid
Line ventricles
Microvilli
Absorb stuff from blood vessels to make cerebrospinal fluid
Increase surface area
Astrocytes
Most abundant
Connect to
Neuron processes
Blood vessels
Largest
Help maintain chemical environment
For electrical signal transmission
Oligodendrocytes
Line up in small groups
Wrap cell processes around thicker axons
Produce myelin sheath
Parts
Brain
Spinal cord
Matter
Grey matter
Not myelinated
Dendrite area
Superficial
Balloon part :balloon:
integration center
One or more synapses
Synapse between neurons
Where sensory and motor neurons come together in the grey matter
White matter
Myelinated
Terminal
String part :balloon:
Deep
Peripheral Nervous system
Parts
Cranial nerves
Spinal nerves
Neuroglia/ glial cells
Satellite cells
Surround neuron cell bodies within ganglia
Structural support
Regulate what enters and leaves neuron cell bodies
Schwann cell
Surround all axons in PNS
Form myelin sheaths around axons
Sensory and motor fibers
Motor
Somatic motor
Voluntary
Motor innervation of skeletal muscle
Inner tube
Visceral motor
Autonomic
Motor intervention to
Cardiac muscle
Glands
Endocrine and exocrine
Smooth muscle
Involuntary
Outer tube
Sensory
Somatic sensory
General
Pain
Pressure
Touch
Vibration
Temperature
Proprioception
Skin
Body walls
Limbs
Sense that detects amount of stretch
Special
Hearing
Equilibrium
Vision
Outer tube
Visceral sensory
General
Temperature
Chemical changes
Pain
Stretch
Irritation in viscera
Hunger
Nausea
Special
Smell
Taste
Viscera