THE ANATOMY OF PANCREAS TAIL BODY NECK HEAD UNCINATE PROCESS BLOOD SUPPLY anterior inferior pancreaticoduodenal artery posterior inferior pancreaticoduodenal artery ID: 569672
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BY BARA KUBANOVASlide2
THE ANATOMY OF PANCREAS
TAIL
BODY
NECK
HEAD
UNCINATE
PROCESS
BLOOD SUPPLY
•
anterior inferior
pancreaticoduodenal
artery
•
posterior inferior
pancreaticoduodenal
artery
•
anterior superior
pancreaticoduodenal
artery
•
anterior inferior
pancreaticoduodenal
artery
•
splenic artery (wavy)
A
Splenic artery
Inferior P-D arteries
Superior P-D arteries
L gastric artery
Common hepatic artery
Hepatic proper
R & L hepatic
“arterial arcade”
gastroduodenal
R gastric arterySlide3Slide4
PORTAL TRIAD
In context
….
Main pancreatic duct
Accessory pancreatic duct
Ampulla of VaterD A V
1
2
34DUODENUM1 SUPERIOR (L1)2 DESCENDING 3 INFERIOR (L3)4 ASCENDINGSlide5
ENTEROHEPATIC CIRCULATION & BILE RECYCLING
CCK
95%
RECYCLED
5%
EXCRETED
HEPATIC
PORTAL
VEIN
TERMINAL ILEUM
•
secondary active Na+-coupled transport of bile saltsSynthesis of new bile saltsREMEMBER:LIVER CONTINUOUSLY PRODUCES BILE AT LOW RATES.THE BILE IS STORED AND CONCENTRATED IN THE GALLBLADDER.CCK STIMULATED BY THE PRESENCE OF LIPIDS IN THE DUODENUM TRIGGERS THE RELEASE OF BILE95% OF THE BILE SALTS (~ 0.7% of bile) IS REABSORBED IN THE TERMINAL ILEUMONLY A SMALL PORTION OF BILE SALTS ESCAPES THE RECYCLATION AND IS EXCRETED IN FAECESSlide6
LIPID TRANSPORT
ch
Transported in the blood stream
Conversion of chylomicrons into:
VLDLs
LDLs
SKELETAL MUSCLE
ADIPOSE TISSUES
PERIPHERAL TISSUES
LYSOSOMES
CHOLESTEROL
EXCESS
CHOLESTEROL
HDLs
Cholesterol extracted from blood
STORAGE OF LIPIDS
As glycogen
As triglycerideSlide7