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3 Cards in this Set
- Front
- Back
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Autonomic nerve anatomy - describe anatomy of pre and post ganglionic nerves for sympathetic and parasympathetics |
Sympathetic - thoracolumbar origin - preganglionic terminate paravertebral chain, postganglionic to organs Parasympathetic - cervico-sacral - some terminate at parasympathetic ganglia (ciliary, pterygopalatine, otic, pelvic, submandibular), most at target organs |
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Which nerves use Acetycholine as neurotransmitter |
All preganglionic sympathetic All post-ganglionic parasympathetic All somatic motor |
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Describe acetycholine synthesis (and a relevant antagonist) |
Synthesised in cytoplasm from Acetyl-COA (from mitochondria) and choline (uptake from cytoplasm by sodium dependent carrier (choline acetyltransferase - blocked by hemicholinium) |
