Mesenteries Flashcards
What is a mesentery
is a fold of tissue that attaches the organs to the body wall
what does Intraperitoneal mean
Double layer of peritoneum that completely surrounds the organ
what does Retroperitoneal mean
The organ is only covered by the peritoneum on its anterior side
Where does the ventral mesentery occur
Occurs only in the foregut
What is the ventral mesentery derived from
Derived from the septum transversum (also gives rise to the thoracic diaphragm)
Foregut has what mesenteries
dorsal and ventral
Midgut and Hindgut have what mesenteries
only dorsal
how come the liver divides the ventral mesentery
The liverdivides the ventral mesentery since it grows so rapidly
The liver gives rise to the falciform ligament where
to the anterior abdominal wall(free edge contains the umbilical vein which becomes the ligament teres/round ligament after birth
The liver also gives rise to the lesser omentum to where
to the ventral borders of the stomach & duodenum (free edge contains the hepatic artery, portal vein & bile duct
The bare areas of the liver are those NOT covered by what
ventral mesentery
