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Arterial supply, venous drainage, nervous innervation of GI (Embryo…
Arterial supply, venous drainage, nervous innervation of GI
Embryo
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Foregut
Coeliac trunk
- Oesophagus
- Stomach
- Proximal !.5 parts duodenum
- Liver
- Gallbladder
- Superior portion pancreas
- Spleen
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Referred pain
- Feeling of pain at location other than origin: Stomach- Epigastrium
- pathway of fibres, travel from greater splanchnic nerves spinal cord T5-T9, pain in dermatomes T5-T9: lower chest and abdomial wall
- Visceral pain appendix: distension of lumen / spasm of its smooth muscle coat
- Nerve fibers travel with lesser splanchnic nerve - spinal segment T10
- Pain referred to umbilical region
Lymphatics
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Lymph drainage for most regions of body
Below diaphragm converge on collection of lymph nodes and vessels associated with major blood vessels , and drain into thoracic duct
- Celiac nodes
- Cysterne chyll
- Pre-aortic nodes