Download MBBS Anatomy PPT 48 Duodenum Notes

Download MBBS (Bachelor of Medicine, Bachelor of Surgery) Human Anatomy ppt lectures Topic 48 Duodenum Notes. - anatomy ppt free download human anatomy ppt lectures, medicine notes ppt, anatomy handwritten notes pdf, mbbs 1st year anatomy notes pdf download, best anatomy notes pdf, human anatomy notes pdf, anatomy easy notes pdf, anatomy notes online, anatomy short notes, Anatomy ppt, Powerpoint Presentations and lecture notes.

"dudekadaktulos"

Shortest,widest & most fixed part of S.I.

Extends- pylorus to duodenojejunal flexure

C shape, Level of umblicus- L1,2,3.

25 cm long- 5, 7.5, 10, & 2.5 cm.

Mostly retroperitoneal & fixed.

Relationships of superior part
Anteriorly

Quadrate lobe of liver
Gallbladder

Posteriorly

Commom bile duct
Gastroduodenal a.
Portal v.

Superioely

Omental foramen
Hepati Art

Inferiorly

Head & Neck of pancreas

Relationships of descending

part

Anteriorly

Liver, Gall bladder
Transverse colon and

mesocolon

Loops of small intestine

Posteriorly

Right renal, hilum and ureter
Right renal vessels
IVC , Psoas major

Medially

Head of pancreas
Common bile duct and

pancreatic duct

Laterally

Right colic flexure

Relationships of horizontal part
Superiorly
-Head of pancreas, Uncinate pr
Inferiorly

Loops of small intestine

Anteriorly

Radix of mesentery

Superior mesenteric a. and v.

Posteriorly
-Psoas major

Right ureter

Inferior vena cava

Abdominal aorta ? testi art,

IMA






Relationships of ascending part
Right

Head of pancreas and abdominal aorta

Left

Left kidney and ureter

Ant.- Transverse colon

& meso.,Lesser sac &

stomach

Post.- Lt. sympathetic

chain,Lt. psoas

major,Lt.renal vessels,

Lt. testicular vessels &

I.M.V.

Fibromuscular band

which suspends &

supports the

duodenojejunal flexure.

Arises from Rt. Crus of

the diaphragm- DJ

Flexure & 3rd ? 4th part

of duodenum.




Blood supply
Arteries

Superior

pancreaticoduodenal a.

Inferior

pancreaticoduodenal a.

1st Part- Rt. Gastric a.,

supraduodenal a. of

wilkie(hepatic a.)

Veinsfollow arteries,

draining directly into

superior mesenteric and

hepatic portal veins

Lymphatic Drainage-

Pancreaticoduodenal nodes

Hepatic nodes

Coeliac n. & Sup. Mes. N
int. lymph trunk
Cisterna chyli

Nerve Supply-

Sympathetic- T9 & T10

Parasympathetic-
Vagus- coeliac plexus-
duodenum along its arteries.