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BILIARY TRACT-SUPPLY

Anatomy-Abdomen

BILIARY TRACT-SUPPLY

BLOOD SUPPLY
1. Receives small branches from cystic, hepatic & gastroduodenal a.

NERVE SUPPLY
2. Parasympathetic fibers - vagal trunk. Stimulate gallbladder contraction & ampullary sphincter relaxation. Afferent fibers - involved in reflex activities.
3. Sympathetic fibers - coeliac ganglia. Inhibits gallbladder contraction. Afferent fibers - involved in pain. Pain may also be conducted along right phrenic n. (explains referred pai to right shoulder).


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REFERENCES

1. Mcminn. (2003). Last's Anatomy. Elsevier Australia. ISBN:0729537528. Read it at Google Books - Find it at Amazon
2. Netter, F. H. (2019). Atlas of human anatomy. Philadelphia, PA: Elsevier.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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