4202285
Description
Mind Map by Colleen Curley, updated more than 1 year ago
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Created by Colleen Curley
almost 9 years ago
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Nervous System 2
- Synapses
- Axodendritic
- Axon--> dendrite
- Axon--> dendrite
- Axosomatic
- Axon --> cell
- Axon --> cell
- Axoaxonic
- Axon --> Axon
- Axon --> Axon
- Axodendritic
- PNS
- Ganglia - groups of
neuron cell bodies
- A peripheral collection of nerve cell
bodies together with afferent and
efferent axons
- Dorsal root ganglia are sensory
cells within the spinal nerves
- Efferent motor ganglia in ANS
- Cranial nerve ganglia
- A peripheral collection of nerve cell
bodies together with afferent and
efferent axons
- Nerves - bundles
of axons
- Spinal nerves
connected to spinal cord
and cranial nerves
connected to brain
- Epineurium surrounds entire nerve trunk
- Perineurium surrounds axons and
endoneurium to form fassicles
- Endoneurium surrounds individual axons
- Endoneurium surrounds individual axons
- Perineurium surrounds axons and
endoneurium to form fassicles
- Motor - from CNS
- Sensory - to CNS
- Mixed- sensory and motor
- Spinal nerves
connected to spinal cord
and cranial nerves
connected to brain
- Ganglia - groups of
neuron cell bodies
- CNS
- Spinal Cord
- Begins at base of medulla oblongata +
extends as slender cord to level of
intervertebral disc between the first
and second lumbar vertebrae
- 31 segements each with a pair of
spinal nerves
- Spinal nerves
- 8 Cervical
- 12 Thoratic
- 5 Lumbar
- 5 Sacral
- 1 coccygeal
- Link information to and
from brain
- Spinal reflexes
- 8 Cervical
- Sagital section of lower spine
- Inferior terminal at level of the 2nd
lumbar vertabra. Branches from
lumbar region pass downward from
cone-shaped tip (conus medullaris)
of spinal cord forming cauda
equina (horse's tail)
- Inferior terminal at level of the 2nd
lumbar vertabra. Branches from
lumbar region pass downward from
cone-shaped tip (conus medullaris)
of spinal cord forming cauda
equina (horse's tail)
- Grey matter within, white matter outside
- Ventral root of spinal nerve (motor)
- Dorsal root of spinal nerve (sensory)
- Spinal nerve (mixed nerve)
- Begins at base of medulla oblongata +
extends as slender cord to level of
intervertebral disc between the first
and second lumbar vertebrae
- Spinal Cord
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