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Similaire à Ppt ระบบประสาท (nervous system) ชีววิทยา ม.5
Similaire à Ppt ระบบประสาท (nervous system) ชีววิทยา ม.5 (20)
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Ppt ระบบประสาท (nervous system) ชีววิทยา ม.5
- 4. Cell body
-Cell body soma
dendrite
axon maintenance
site)
- nucleus&organelle
-ganglion (ganglia):
nerve cell
body PNS dorsal
root ganglion (or
sensory ganglion)
-Nucleus (nuclei):
nerve cell body
(CNS)
- 6. -synaptic terminal (axon ending):
axon
neurotransmitter
-synapse: synaptic terminal
(neuron/effector)
- presynaptic cell
- postsynaptic cell ( receptor
neurotransmitter presynaptic cell)
Synaptic terminal
- 7. axon
Axon Dendrite
1. 1.
2.smooth surface 2.rough surface
(dendritic spine)
3. 1 axon/cell 3. 1
dendrite/cell
4. ribosome 4. ribosome
5. myelin 5. myelin
6.
cell
6.
cell body
- 8. -Glia:
10-50
-Astrocyte:glia cell CNS tight junction
capillary Blood-brain barrier
-Oligodendrocyte( CNS) Schwann cell (
PNS): glial cell myelin sheath
Supporting cell or glial cells or
- 10. Neuron 3
1. Receptor (sensory)
neuron
(
receptor neuron)
olfactory nerve cells
receptor
cell (
photoreceptor cell)
sensory
neuron)
electrical signal
interneuron
motor neuron
- 16. Action potential
-action potential: membrane
potential
depolarization
threshold potential
- axon all-or-none
5
1.Resting state
2.Threshold
3.Depolarization
4.Repolarization
5.Undershoot
- 22. Propagation of action potent
1. action potential
1) N+
Na+
2)
depolarization action
potential
2. 2 action
potential 1
repolarization (refractory
period)
action potential
3. action potential
3
- 23. Saltatory conduction
- myelinated axon action potential
node of Ranvier
node Na+
K+ -
node of Ranvier
saltatory conduction
- action potential
axon
axon
- myelinated axon
action potential
- 26. The organization of neurons int
The simple circuits: nerve nets
-
cnidarians
nerve net
-
nerve ring
radial nerve
nerve
net
- 30. Peripheral Nervous System
-
cranial nerve 12
spinal nerve 31
-cranial nerve
& spinal nerve
sensory &
motor neuron
olfactory & optic nerve
sensory
nerve
-sensory division
sensory neuron
sensory receptor
CNS
-motor division
motor neuron
CNS effector cells-SNS skeletal muscle e
-ANS smooth & cardiac muscle
- 37. The limbic system generates the feeling; emotion
www.kts.ac.th/e-
learning/mahidol/pe/...PE_2550/
ppt
www.tta.in.th/uploadfile/1097/SC-13-429-
1438-1097.ppt
sumon-kananit.wikispaces.com/file/view/
ppt
reg.ksu.ac.th/teacher/myweb/bio2/Nerve%
20cell.ppt
www.sc.chula.ac.th/courseware/GenBio105/
Nervous- system_2_12_4.ppt