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8 Cards in this Set
- Front
- Back
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Nerves
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12 cranial
8 cervical 12 thoracic 5 lumbar 5 sacral |
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12 cranial nerves
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On old olympus towering tops a french and germen viewed some hops
Olfactory=smell,Optic=sight, Oculomotor=eye muscles, Trochlear=eye muscles,Trigeminel=face+skin, Abducens=eye muscles, Facial=face expressions,Auditory=hearing+balance ,Glossopharangeal=taste+ pharynx Vagus=larynx,Accessory=neck+ shoulder,Hypoglossal=tongue Some Say Marry Money But My Brother Says Bad Buisness Marries Money |
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Nerve Mechanism
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Sensory Neurone (neuron+receptor)
CNS and Interneurons Effector Motor System Somatic Voluntary = Stirated Or Atonomic Involuntary=Smooth muscle and Glands=antagonistic Parasympathetic(rest)/Sympathetic(fight or flight) |
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Neuron
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-Cells that transmit impulses
-Afferent (sensory) and Efferent(motor) -Basic functioning unit of NS -Dendrite-recieve/cell body-interprets/axon/high mitichondria-energy/action potential/depolarisation |
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Role of NS
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-Receive info about environment
-Info on organs/tissue -Interpret Info -Stimulate activity -Survival |
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Nerve/receptors
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Nerve=made up of neurons
Nerve fibres=axons of neurons -mechano receptos,chemoreceptors,photoreceptors |
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Reflex Arc
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- Reflex action
-sensory neurone doesnt go to brain but snapses in spinal cord |
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Intergration
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Info into brain and processing it
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