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Similar to Ppt ระบบประสาท (nervous system) ชีววิทยา ม.5
Similar to Ppt ระบบประสาท (nervous system) ชีววิทยา ม.5 (20)
More from สำเร็จ นางสีคุณ
More from สำเร็จ นางสีคุณ (20)
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