Abdomen II Flashcards
(21 cards)
Transpyloric plane location
Original of mesenteric artery and portal vein
At L1
Subcostal
L3
Original of inf mesenteric artery
Intercristal plane
L4
Birfucation of aorta
Intertubucular
l5
Beginning of ant vena cava
Ligaments of spleen and liver
Gastrohepatic(lesser omentum)
Gastrosplenic
Falciform
Coronary and triangular
Lieonorenal
Fxn of parietal folds
1Transmit blood vessels and nerves to visceral from posterior abdominal wall
2lubrication preventing friction of organs
3maintain position and protects contents
Greater omentum fight intra abdominal infection
Mesocolon divided into (2)
Transverse and sigmoid mesocolom
Roof of lesser sac
Diaphragm peritoneum
Floor of lessser sac
Fusion of ant and post of greater omentum
Ant wall of lesser sac
Any 2 layers of greater omentum
Caudate lobe of liver
Lesser omentum
Stomach
Post boundaries of lesser sac
Post 2 layers of greater omentum
Transverse mesocolon
Transverse colon
Peritoneum behind stomach(covering stomach bed)
Boundaries of the epiploic foramen( separates lesser and greater omentum)
Sup: caudate lobe of liver
Inf: duodenum (1st part)
Ant: from right bile duct
Hepatic artery
Behind them: portal vein
Post: IVC
Two parts of lesser omentum
Hepatogastric ligament
Hepatoduodenal ligament
Parts of colon with mesentry
Transverse colon
Sigmoid colon
Mesoappendix
Duodenal recesses
Superior
Inferior
Paraduodenal fossa(relate to IMV)
Site for internal hernia and can lead to strangulation
Cecal recesses
Superior ileocecal
Inferior iliocecal
Retrocecal (contain appendix)
Subphrenic spaces
Anterior : right and left subphrenic recesses separated by falcoforl ligament
Posterior: right: hepatoma recess
Left: lesser sac
Clinical importance of subphrenic space
Subphrenic absess
Accumulation of fluid in space
Most common on right due to raptured duodenal ulcer and appendicitis
Recesses of lesser sac
Superior: peritoneum of diaphragm
Inf: joint greater omentum
Splenic recess
Peritoneal recesses(5)
Omental bursa(lesser sac)
Subphrenic recess (4)
Cecal recess(3)
Duodenal fossae(3)
Paracolic gutters (4)- 2 medial and lateral one each side
