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Summary Abdominal organ (Duodenum, Extrahepatic Biliary Apparatus, Large Intestine – Caecum, Large intestine, portal vein, Small intestine , spleene , Vermiform Appendix ) $10.49   Add to cart

Summary

Summary Abdominal organ (Duodenum, Extrahepatic Biliary Apparatus, Large Intestine – Caecum, Large intestine, portal vein, Small intestine , spleene , Vermiform Appendix )

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Abdominal organ (Duodenum, Extrahepatic Biliary Apparatus, Large Intestine – Caecum, Large intestine, portal vein, Small intestine , spleene , Vermiform Appendix )

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  • May 3, 2022
  • 57
  • 2021/2022
  • Summary
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Duodenum
Introduction
-




:



• It in
first ,
shortest ,
widest and most fixed past a small Intestine .




9T extends from pylorus to duodena
jejunal flexure

.




Named its

so
by Herophilus as
length = to combined width a 12
finger ,



o
g t in about 25 cm .




°
9T in C -



shaped and in located
abdominal level
in the
cavity above

of umbilicus opposite to 21 , 12,13 .




Parts e
Relations :


duodenum into 4
parts
25
long :
o
cm




(a) Superior = 5cm [ First Part ]

(b) Descending = F. 5cm [ second Part ]

(c) Horizontal = 10cm [ Third Part ]

( d,
Ascending = 2.5 cm
[ fourth Part ]




First Part :
-




°
It
develops from foregut .




It retro peritoneal
only partly
. in


It distensible
.
in
freely mobile d .




. It has no circular folds in mucous membrane
of its initial
2- 5 cm


. gt in site for duodenal ulcer

.

Supplied by branches g coeliac trunk / artery .




② Meditates
( med notes .
in )

, Relations :



ANTERIORLY : Quadrate of liver and gallbladder
lobe .




POSTERIORLY Postal Vein gastro duodenal
Artery and CBD

: ,




°
SUPERIORLY :
Epilploic foramen being separated from it by
portal viand bile duct .




°
INFERIORLY : Head &
Neck Pancreas
og
.




Second Point :

'


• Its
upper half develops from foregut and lower
half from midgut .




o gt lies behind transverse meso colon -




bile duct the ducts
accessory pancreatic
and
o
Gt receives ,
chief .




It the
. in
only part og intestine supplied by double rows 7 vasa


recta
arising from
,
anterior and
posterior pancreatic o duodenal A .




Relations :




ANTERIORLY Gallbladder and liver traverse colon
°


lobe of
right
:
, ,



meso colon and coils g small intestine .




POSTERIORLY :
Right kidney and
right renal vessels right edge




,




inferior and muscle
og vena Cava
Right psoas major .




°
MEDIALLY : Head 7 Pancreas .




colic flexure and sight
° LATERALLY :
Ascending colon ,
right .




lobe g liver .

, Third Pact :


Relation :




ANTERIORLY : Root g
mesentery , superior
mesenteric vessels ,
&


coils g
jejunum .




POSTERIORLY right ureter abdominal
Right IVC
°
:
psoas major , , ,



aorta ,
and
right gonadal xeesele .




SUPERIORLY Head with its uncinate

:
of pancreas process
.




INFERIORLY Coils
• :
og jejunum .




Fourth Past :

Relation :


°
ANTERIORLY : Transverse colon & transverse meeocolon .





POSTERIORLY left psoas major muscle left
: ,
sympathetic chain ,




left gonadal vends and inferior ,
mesenteric vein .




SUPERIORLY :
Body of pancreas
° .




°
ON TO LEFT :
left kidney I left center
ONTO RIGHT :
Upper part Root




g 9 .

, Interior of Duodenum :



°


The mucous membrane
of the duodenum presents circular
folds
called Valves
of Kero
Kring but
they begin in 2nd
part .





Second Part also have :



( as
Majord papilla :


r 8 -
to cm distal to pylorus


on its summit the
opens
common
hepa to pancreatic
duct .




do , minded papilla :



to duodenal papilla
2cm
proximal major
° .









Accessory duet its summit
opens on
-




cc , Arc circulars :




forms arch above
major duodenal
the hood
r




papilla like
an
.




( Monk 's hood )


② Meditates
( med notes .
in )

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