Abdomen Blood Supply Flashcards
Lining the inside of abdomin container?
Peritoneum
Organs are covered with?
Visceral Peritoneum
- pareital peritoneum lines the container
Peritoneal Cavity
intraperitoneal - can move retroperitoneal - can't move (behind bubble) - pareital peritoneum on anterior of structures
2 layers of the peritoneum
mesentery
- holds organs
- pathway nerves, veins, arts
omentum
- great extends from greater curvature of stomach
- lesser between liver and stomach (2 layers)
Greater omentum layers
4 layers
Peritoneum from anterior and posterior of stomach and transverse colon
Subdivisions of Peritoneal Cavities
Greater Sac (abdomen) Lesser Sac (behind stomach/lesser omentum)
On the transverse colon?
Tenia Coli (muscles) Haustra Appendages Epiploicae (fat bags)
Jejunum
top left
Illium
bottom right
Lesser sac of peritoneum cavity
posterior to stomach and lesser omentum
- extends from diaphragm/liver to space between layers of greater omentum
- free movement of stomach and organs
Ligaments of lesser omentum
hepatogastric
hepatoduodenal
lesser omentum / lesser sac structures
Portal Triad - bile passages - hepatic artery - portal vein IVC Abdominal Aorta Hepatogastric and hepatoduodenal ligaments
GI blood branches
Ciliac trunk T12 - where aorta enters abdomen through aortic hiatus - forgut Superior Mesenteric Artery L1 - midgut Inferior Mesenteric Artery L3 - hindgut
Bifurcation of aorta
L4/5
Ciliac trunk forgut structures supply
abdominal esophagus 1/2 duodenum stomach pancreas liver gallbladder spleen
