The Nervous System (Anatomy) Flashcards
what is the function of the frontal, parietal, occipital and temporal lobe?
p 25
what is the function of the motor cortex, premotor cortex, brocas area, somesthetic cortex, visual area, auditory area, wernicke’s area, short term memory area, pre-frontal area?
p 25/26
what is the role of the thalamus, hypothalamus, and subthalamus?
p 26
brain stem - structures and functions (include cranial nerves)
p 27
pons - structures and functions (include cranial nerves)
p 27
medulla oblongata - structures and functions (include cranial nerves)
p 27
reticular formation - structures and functions (include cranial nerves)
p 27
cerebellum - structures and functions (include cranial nerves)
p 27
spinal cord - structures and functions (grey vs white mater)
p 28
difference btw peripheral nerves and nerve roots
p 28/29
describe the NS blood supply
p 28
describe the NS CSF
p 29
describe pia vs arachnoid vs dura mater (thickness, vascularization, etc) and also subarachnoid space and epidural space
p 30/31
describe the different types of nerve connective tissue
p 31/32
where is conduction vs nutrients transferred in the nerve?
p 32
describe the process of axoplasmic flow
p 33
describe the process of neurotransmitter replacement (is trophic or neurotransmitter malnourisment first to be noticable?)
p 33
what is interruption of axoplasmic flow (describe double crush syndrome, common sites of compression, what impairs first protein flow or electrical conduction)
p 34
describe non-myelinated nerve conduction vs myelinated
p 34-36
what does conduction velocity depend on?
p 37
what are the types of nerve conduction?
p 37
Describe electrical vs chemical synapses
P 38/39
What are the 4 categories that house 30 types of neurotransmitters ?
Acetylcholine
Amines
Amino acids
Peptides
Describe the excitatory vs inhibitory effect of neurotransmitters. It depends on what factors?
P 39
Describe the types of neurotransmitters and their location and function
P 40
Describe neurotransmitter release
P 40
Describe neurotransmitter synthesis
P 41
Describe what happens at the post-synaptic neuron
P 41
Describe the processes: pre-synaptic inhibition, summation, neuronal facilitation, and synaptic fatigue
P 41-43
What are exteroreceptors vs enteroreceptors?
P 44
What are the 5 types of sensory receptors?
Mehano Thermo Chemo Electromagnetic Noci
How does a mehano thermo and electromagnetic receptor respond to stimuli?
P 44
Describe what differential sensitivity means
P 44-45
Describe thermal perception and types of receptors
P 45
Describe spatial summation in terms of thermoreceptors
P 46
Describe the neural pathways for thermoreceptors
P 46
Where are mechanoreceptors located? From what location is proprioception received when the body segment is at end range vs mid range of motion?
P 46/47
Classification of mexhanoreceptor table
P 47
Erlanger and gasser vs Lloyd classification of mechanoreceptors
P 48
Wyke’s classification of articulation receptors
P 49
Describe the 2 main mechanisms for receptor adaptation and also how long it takes certain receptors to adapt
P 50
Describe the transmission pathways for the different mechanoreceptors
P 51/52
What is the thalamus role in mechanoreception?
P 52
What is the cortex role in mechanoreception? Cotricofugal pahway
P 53
Pain can result from either what or what?
P 54/55
Read over nociceptors and type of nociceptors section. What does nonadapting mean?
P 55
Chemical pain - describe the release process, primary and secondary hyperalgesia and tissue ischemia
Of 56/57
Describe mechanical vs thermal pain stimuli
P 57
Describe the fast and slow types of pain signal transmission
P 57/58
Describe the laminar pathways for pain transmission (1-6)
P 58/59
what is the difference between the lateral spinothalamic tract and spinoreticulothalamic tract (for pain transmission)?
p 59
50-90% of all pain fibres terminate where?
reticular formation of the medulla, pons, and mesencephalon
what is the significance of the reticular formation in terms of pain?
p 59/60
what do each of the following areas do in terms of pain reception?
- ipsilateral cortex
- frontal lobe
- temporal lobe
- hypothalamus
p 60
describe some of the different mechanisms of peripheral nerve irritation
p 60/61
what is the general pattern of peripheral neurogenic pain?
p 61
Nerve root compression - how does pain arise? how does radicular pain present?
p 62
describe peripheral pain modulation
p 62
describe spinal pain modulation (with respect to lamina and the substantia gelatinosa)
p 62
describe the gate control theory of pain modulation
p 63/64
describe centrally evoked symptoms (ie not arising from peripheral input)
p 64
describe descending control via the periaqueductal grey area (types of endorphins released and how/where they exert their effects)
p 64/65
describe cognitive influences on pain (depression and anxiety, respiratory patterns - chronic hyperventilation/apical breathing pattern)
p 66/67
describe referred pain convergence (segmental vs central, visceral referred vs somatic referred)
p 67
describe visceral pain in terms of receptor type, what causes it, and locations
p 68
what are the referral pain patterns for heart, esophagus, GI, gallbladder, pancreas, kidneys, bladder, uterus
p 68