Summary
Case 2 Summary - ILOs
- Module
- Mind And Movement
- Institution
- The University Of Manchester (UOM)
Provides in-depth information about each ILO required for this case
[Show more]
Seller
Follow
Content preview
Case 2 summaryGeneral ILOs:
- To demonstrate knowledge of how the development of the vertebral column and
spinal cord affects their anatomical relationship with each other and with the
spinal nerves (dermatomes)
The anterolateral system has two major components:
Mechanical stimulation
Painful and temperature stimulation
Somatic sensation originates from sensor organs in the skin or muscles and travel to their
corresponding dorsal root ganglia or cranial nerve ganglia before passing on to the spinal
cord.
Afferent fibres are often surrounded by mechanoreceptor to help differentiate stimuli. If they
lack mechanoreceptors, they are referred to as free nerve endings.
Different sensory afferent fibre types exist:
A-alpha: supply sensory receptors in muscles
A-beta: provide sensation of touch
A-sigma/C-fibres: provide information about pain and temperature
1
MBChB Y2 – Guillaume Antem
, The receptive field refers to an area of skin which results in stimulation of an action potential.
Two-point discrimination is the minimal interstimulus distance needed to perceive two
distinct stimuli.
Afferent fibre can be considered in two types:
Rapidly adapting afferent: convey rapidly changing/urgent stimuli (ie: movement)
Slowly adapting afferent: provide information about ongoing stimulation (ie: shape,
size)
Dermatomes determine the territory innervated by each nerve. These vary for each individual.
Dermatomes overlap more for touch, pressure and vibration than they do for pain and
temperature. Hence, testing for pain/temperature provides more localised information about
segmental nerve injury.
- To demonstrate knowledge of pain pathways, receptors and the
neurotransmitters involved in differentiating between chronic pain and acute
pain
The anterolateral system
Nociceptors detect noxious stimuli. The cell bodies of nociceptors are located in the spinal
ganglia for the body and trigeminal ganglia for the face.
Continuous stimulation of nociceptors can result in sensitisation (reduced threshold for
stimulation). Nociceptors never show adaption (increased threshold for stimulation).
The principal neurotransmitter for nociceptors is glutamate. Perception of moderate to intense
pain is mediated by release of substance P due to high-frequency action potential generation
in the nociceptor.
The anterolateral system consists of three tracts:
2
MBChB Y2 – Guillaume Antem
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller guillaumeantem. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £5.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78834 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now