Notes in 1- ANS

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Published	02/10/2024	Somatic vs Autonomic NSExplain the differences e.g. neurotransmitters, receptors.. etc
Published	02/10/2024	fbf8b7e9bf724f4e934d163832d5ddc1-ao-1
Published	02/10/2024	fbf8b7e9bf724f4e934d163832d5ddc1-ao-2
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Published	02/10/2024	The {{c1::lateral horn}} contains the cell bodies of the sympathetic neurons. It is present in the spinal cord between T1-L2/3 vertebrae = {{c2::…
Published	02/10/2024	The spinal cord ends at {{c1::L1-L2}}How do we then find parasympathetic sacral outflow at S2-4 vertebraes?
Published	02/10/2024	The {{c1::Sympathetic chain/trunk}} is a structure containing sympathetic ganglia that are parallel to the vertebral column and it reaches C1 - S5.It …
Published	02/10/2024	Explain the sympathetic pathwayOrigin, Preganglion, Synapse, Postganglion.. etc.
Published	02/10/2024	In T10 spinal nerve, the ventral and dorsal rami contain:1- Somatic {{c1::motor}} fibres2- Somatic {{c1::sensory}} fibers3- Postganglionic {{c1::sympa…
Published	02/10/2024	If sympathetic fibres only originate between T1-L2/3, how do parts of the body above and below T1-L2/3 receive sympathetic innervation?
Published	02/10/2024	Every single spinal nerve from C1 – Cc3 carries {{c1::sympathetic}} fibres plus their normal {{c1::sensory}} and {{c1::motor}} fibres.
Published	02/10/2024	3 options of sympathetic fibre synapsing:[1] {{c1::synapse at same level}}[2] {{c1::go up or down trunk and synapse}}[3] {{c1::pass through trunk and …
Published	02/10/2024	Sympathetic preganglionic fibres which travel to supply the {{c1::skin and body wall structures (eg. muscles, bones, etc.)}} can either:  &n…
Published	02/10/2024	Sympathetic preganglionic fibres which travel to supply {{c1::organs}} are known as {{c2::splanchnic nerves}} (splanchnos = organ).
Published	02/10/2024	- The splanchnic nerves to {{c1::thoracic}} organs (from T1-T4) synapse in the sympathetic chain, and then run as&n…
Published	02/10/2024	- The splanchnic nerves to {{c1::abdominal}} organs (from T5-L2/3) do not synapse in the sympathetic chain (they just run thr…
Published	02/10/2024	Describe an overview of sympathetic motor supply
Published	02/10/2024	Sympathetic supply to the face and headThree main ganglia:- {{c1::Superior cervical}} ganglia- {{c1::Middle cervical}} ganglia- {{c1::Inferior cervica…
Published	02/10/2024	The sympathetic fibres can be stretched or damaged along their course to the head and neck. If these nerves are unilaterally disturbed, it p…
Published	02/10/2024	Sympathetic sensory fibres:Pain (nociceptive) impulses from organs run mainly with the sympathetic fibres (and in the pelvis also with the parasy…
Published	02/10/2024	Parasympathetic outflow→ {{c1::Craniosacral}} outflow- 4 Cranial nerves & S2-4 spinal nervesThe S2, S3, and S4 spinal nerves carrying parasympathe…
Published	02/10/2024	Parasympathetic pelvic pathway:• The pelvic splanchnic nerve cell bodies reside in the lateral horn in the L2-3 segment.  • Bilaterally, p…
Published	02/10/2024	Describe the Parasympathetic pelvic pathway:
Published	02/10/2024	Sympathetic vs Parasympathetic distribution
Published	02/10/2024	Why is it that we have 7 cervical vertebrae but 8 cervical nerves?
Published	02/10/2024	Nerves are named according to where they emerge from the {{c1::vertebral column}}, not from where they emerge from the spinal cord.This is why al…
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