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Arterial supply, venous drainage, nervous innervation of GI (Embryo…

- - - - Liver
        
        Gallbladder
        
        Superior portion pancreas
        
        Spleen
- - - - Posterior cecal artery
      - Appendicular artery
      - Anterior cecal artery
  - - - Esophaegeal branches
    - - Right gastric artery
      - Superior pancreaticoduodenal artery
      - Gastroduodenal artery
      - Right gastrepiploic artery
    - - Short gastric arteries
      - Left gastroepiploic artery
      - Pancreatic branches
- - - - Innervates muscular layers of walls of GIT
      - Control gut motility
      - Parasymp and symp input
    - - Parasymp only
      - secretomotor innervation to mucosa near lumen gut
  - - - T and L splanchnic nerves
        
        Lesser S nerve:Midgut viscera
        
        Lumb S nerves:Hindgut Viscera
        
        Greater S nerve: Foregut Viscera
      - Synpase on pre-vertebral plexuses
      - Sympathetic ganglia T5-L2
    - - Sacral parasymp nerves via pelvic splanchnic nerves:Hindgut
      - Distributed with sympathetic nerves via pre-vertebral plexuses
      - Cranial paras nerve fibres: vagus nerve:Foregut and Midgut