GI - Class 4 Flashcards
What is the spleen?
spleen is a lymphoid organ connected to the blood vascular system. It acts as a filter for blood and plays an important role in the immune responses of the body.
How is spleen peritonised?
intraperitoneal
In which region of the abdominal cavity is the spleen located?
left hypochondriac
Does spleen move with respiration?
yes
Name the structures in the hilum of spleen:
splenic vein, splenic artery and gastrosplenic ligament
The tail of which organ is closely related to hilum of the spleen?
pancreas
What is the function of the spleen
storage of RBC’s, clears platelets, filters blood, phagocytosis
What is the pancreas?
The pancreas is a gland that partly exocrine and partly endocrine. The exocrine part secretes the digestive pancreatic juice; the exocrine part secretes hormones
How is the pancreas peritonised?
retroperitoneal
Which vein is formed posterior to the neck of the pancreas?
hepatic portal vein
Into which part of the duodenum does the pancreatic duct open?
2nd part of the duodenum
What is a liver?
Is a large gland situated in the right upper quadrant of the abdominal cavity. In the living subject, the liver is reddish brown in colour, soft in consistency, and very friable
Round ligament of liver (also called as ligamentum teres) is the remnant of which embryological structure?
umbilical vein
Name the four lobes of the liver
right and left lobe
caudate lobe, quadrate lobe
What is the ‘bare area’ bare of?
bare of peritoneum - lies in close contact with diaphragm.
What is the porta hepatis?
The porta hepatis is a deep fissure in the inferior surface of the liver through which all the neurovascular structures enter or leave the liver.
Name 3 structures present in the aorta hepatis
- hepatic portal vein
- hepatic duct
- portal artery
What fold of peritoneum is wrapped around these 3 structures?
lesser omentum
What does the extrahepatic biliary apparatus consists of?
right and left hepatic ducts
common hepatic duct
gall bladder
common bile duct
Where is bile produced?
liver
Where is bile stored?
gallbladder
Where does bile enter the gut tube?
2nd part of the duodenum
What is the function of bile?
Bile has bile acids which are critical for digestion and absorption fo fats
What is Calot’s cystohepatic triangle?
Triangular space formed by cystic duct, common hepatic duct and inferior surface of liver. The triangle contains cystic artery. During the removal of the gall bladder (cholecystectomy) care should be taken not to damage the structures in and around the triangle.