Celiac Trunk & Associated Viscera cont. Flashcards
Covers the liver, gallbladder, pancreas, and spleen
What is the largest gland and second largest organ?
Liver
Which organ processes nutrients absorbed in gastrointestinal tact?
Liver
Which organ produces bile?
Liver
Where is the liver?
Right upper quadrant, deep to ribs 7-11
What surfaces can be named on the liver?
Diaphragmatic and visceral surfaces
What are the four lobes of the liver?
- Right lobe
- Left lobe
- Caudate lobe
- Quadrate lobe
Where is the caudate lobe of the liver?
Between IVC and porta hepatis
Caudate process connects right and caudate lobes
What are the fissures of the liver?
Right and left
What is the falciform ligament?
Divides right and left lobes of liver from the ventral mesentery
The round ligament of the liver (aka…) is a remnant of…
(aka ligamentum teres hepatis)
is a remnant of the umbilical vein
Where is the coronary ligament?
Surrounds the bare area of liver
The coronary ligament has what two portions?
Anterior and posterior
What ligament is found between the anterior and posterior coronary ligaments?
Right triangular ligament
What ligament can be found left to the falciform ligament?
Left triangular ligament
The fissure for ligamentum venosum is a remnant of…
ductus venosus in the liver
Where does the inferior vena cava sit on the liver?
Groove for vena cava
Where does the gallbladder sit on the liver?
Fossa for gallbladder
Where is the portal triad of the liver contained?
Contained within hepatoduodenal ligament
What are the contents of the portal triad of the liver?
- Bile duct (anterior and right)
- Proper hepatic artery and branches
- Portal vein (posterior)
Which veins drain the liver?
- Portal (hepatic portal) vein
- Right, intermediate, and left hepatic veins
Which vein draining the liver is most nutrient-rich?
Portal vein
Where is the portal vein in relation to the pancreas?
Posterior to the neck of the pancreas
The portal vein is the confluence of which other veins?
- Superior mesenteric vein
- Splenic vein
- (also inferior mesenteric vein)
The hepatic artery starts as the proper hepatic artery and splits into…
Right and left hepatic arteries
The hepatic veins (right, intermediate, and left) drain into…
inferior vena cava
25-50% of lymph entering the thoracic duct comes from…
the liver
Innervation of the liver comes from…
the hepatic plexus
What is the hepatic plexus derivative of?
Celiac plexus
What is the parasympathetic innervation of the liver?
Anterior and posterior vagal trunk
What is the sympathetic innervation of the liver?
Greater splanchnic nerves
Where is the hepatic plexus?
Surrounds hepatic artery
The right and left hepatic ducts join to form…
common hepatic duct (bile)
What is the purpose of the cystic duct?
Communicates to gallbladder for bile transport
What is the function of the gallbladder?
Stores and concentrates bile (holds 50ml)
What are the portions of the gallbladder?
Fundus, body, neck
gallbladder
What structure can be found between the neck and the cystic duct?
Spiral fold (valve)
What artery supplies the gallbladder?
Cystic artery
The cystic artery supplying the gallbladder is a branch of…
right hepatic artery
Which vein drains the gallbladder? Where will it run to?
Cystic vein to hepatic portal vein
Lymph drainage from the gallbladder goes to…
celiac lymph nodes
What is the innervation of the gallbladder?
Celiac plexus
The bile duct and pancreatic duct form the…
hepatopancreatic ampulla (of Vater)
The hepatopancreatic ampulla enters the duodenum through the…
major duodenal papilla (sphincter of Oddi)
Where is the pancreas in relation to the peritoneum?
Secondarily retroperitoneal
Where is the pancreas in relation to the spine?
Lies transversely across L1-L2 (at level of transpyloric plane)
Where is the pancreas in relation to other organs?
Posterior to stomach, between duodenum (right) and spleen (left)
The exocrine gland of the pancreas holds…
pancreatic juice
The endocrine gland of the pancreas holds…
insulin and glucagon
Where is the head of the pancreas in relation to the duodenum and surrounding blood vessels?
Encircled by C-shape of duodenum; right of superior mesenteric vessels
Where is the uncinate process of the pancreas?
Projection inferior to head and posterior to superior mesenteric artery
Where is the neck of the pancreas in relation to blood supply?
Anterior to superior mesenteric vessels
Where is the body of the pancreas?
Passes over aorta and L2
Where is the tail of the pancreas?
Anterior to left kidney, close to splenic hilum and left colic flexure
Describe the path of the main pancreatic duct
- Runs from tail to head
- Joins bile duct at hepatopancreatic ampulla
- Opens into duodenum at major duodenal papilla
The accessory pancreatic duct opens at…
minor duodenal papilla
What is the blood supply of the pancreas?
- Splenic artery branches
- Superior pancreaticoduodenal arteries
- Inferior pancreaticoduodenal arteries (SMA branch)
Venous drainage of the pancreas goes to…
splenic vein
Lymph drainage of the pancreas goes into…
superior mesenteric nodes or celiac nodes
What innervates the pancreas?
Superior mesenteric plexus and celiac plexus
What is the largest lymphatic organ?
Spleen
What are some functions of the spleen?
- Lymphocyte proliferation
- Immune surveillance
- RBC removal and destruction and recycling
- Blood reservoir
Where is the spleen?
Upper left quadrant, rests on left colic flexure, left 9-11 ribs
The spleen is surrounded by connective tissue called…
splenic capsule
What is contained in the splenic hilum?
Splenic artery and vein
Besides blood and lymph, what are some features of the inside of the spleen?
- Trabeculae
- White and red splenic pulp
The gastrosplenic ligament is a continuation of…
greater omentum
The gastrosplenic ligament connects…
stomach to spleen
What is contained in the gastrosplenic ligament?
Short gastric and left gastro-omental vessels
The splenorenal (lienorenal) ligament connects…
spleen to left kidney
What is contained in the splenorenal ligament?
Splenic artery
Where is the splenic artery found in the spleen?
Within splenorenal ligament
What is the largest artery of the celiac trunk?
Splenic artery
What artery supplies the spleen?
Splenic artery
Which artery is tortuous and runs posterior to omental bursa (lesser sac) along superior border of pancreas?
Splenic artery
What vein drains the spleen?
Splenic vein
What vein will usually terminate upon reaching the splenic vein?
Inferior mesenteric vein
The splenic vein joins with… to form…
joins with superior mesenteric vein to form hepatic portal vein
Lymph drainage from the spleen goes to… via…
goes to celiac lymph nodes via pancreaticosplenic lymph nodes
What innervates the spleen?
Celiac plexus
The lower end of the common bile duct enters…
the second part of the duodenum