Week 4 - Liver, Stomach, Pancreas and Spleen Flashcards
Where does the liver reside in the abdomen
right hypochondrium and epi gastric, extends into the left hypochondirum
What two vessels provide blood supply to the liver
Hepatic portal vein and hepatic artery proper
Nutrient rich blood from the GI tract is supplied to the liver through
The hepatic portal vein
Two surfaces of the liver
Diaphragmatic surface
Visceral surface
Describe the location of the diaphragmatic surface
It is the anterosuperior surface
Smooth and convex between the diaphragm
Posterior aspect of this not covered by peritoneum
What is the surface of the liver not covered by the visceral peritoneum called
The bare area
Which parts of the visceral surface of the liver aren’t covered by peritoneum
Fossa of the gall bladder and the porta hepatis
Describe the falciform ligament
Attaches the liver to the anterior abdominal wall
Naturally divides the right and left lobe
What do the free edges of the falciform ligament contains
The liagmentum teres
What is the ligamentum teres
The remnants of the umbilical vein
What creates a natural divide between the left and right lobe of the liver
The falciform ligament
What does the coronary ligament attach
The superior surface of the liver to the inferior surface of the diaphragm
What does the coronary ligament demarcate
The bare area of the liver
What is the left triangular ligament formed by
Unison of the anterior and posterior layers of the coronary ligament
What does the left traiangular ligament attach
Left lobe to the diaphrgam
What does the right triangular ligament attach
Right lobe of the liver to the diaphragm
What does the lesser omentum connect
The lesser curvature of the stomach to the duodenum
4 lobes of the liver
Left
Right
Caudate
Quadrate
Describe the caudate lobe
Upper aspect of the visceral surface between inferior vena cava and the ligamentum venosum
Describe the quadrate lobe
Located on the lower aspect of the visceral surface between the ligamentum teres and the gall bladder
What is the deep fissure that separates the lobes
Porta hepatis q
What does the porta hepatis do
Transmits all vessels, nerves and ducts entering the liver
What are the cells surrounding the hexagons called
Interlobular septum
3 vessels that enter the microscopic structure of the liver
Portal arteriole
Portal venule
bile duct
Portal arteriole is a branch off which artery
The hepatic artery proper
Portal venule is a branch off which artery
The portal vein
What run to the centre of the portal triad
Sinusoids
Cells of the liver are called …
Hepatocytes
Top of the stomach is the
Fundus
Region where oesophagus enters stomach is the
Cardia
What is the body of the stomach called
Corpus
What is the opening of the stomach to the duodenum called
Pyloric sphincter
At what level does the oesophagus pierce the diaphragm
T10
What are the raised channels of the stomach which help to divert food called
Rugae
Two nerve supplies to the stomach
Vagus –> enters either side of the oesophagus
Sympathetic –> Via the coeliac plexus just below the celiac trunk
What % of the pancreas is exocrine and what % is endocrine
99% exocrine 1% endocrine
What is exocrine pancreas responsible for
Secretion of digestive enzymes
What is endocrine pancreas responsible for
Secretion of hormones, insulin and glucagaon
Which part of the pancreas lies in the C shape of the duodenum
Head
What is the region of the small intestine where the ducts enter from the pancreas and liver
Major duodenal pappilla
