Lecture 13- GI system Flashcards
What lines the abdominal cavity (organ and wall sides)?
Visceral and parietal peritoneum
What is the part of the peritoneum from which the GI tract is suspended in the fetus?
Connecting peritoneum
Is the middle of the intestines more or less motile due to the increased peritoneal length?
More motile
What is the dense collection of peritoneum where the intestines loop called.
Suspends the weight of the GI tract from the body wall
Allows for extra motility
Root of the mesentery
What section of intestines does the Root of the Mesentery attach to?
Ileum and jejunum
What is the name of the mesentery layer connected to the duodenum?
Mesoduodenum
What is the name of the mesentery attached to the colon?
Mesocolon
the cranial stomach, next to the esophagus
Cardia
The leftmost, outpouching of the stomach
Fundus
The primary, largest, most middle portion of the stomach
Body
The narrowing of the stomach on the right side prior to the intestines
Pylorus
The cranial bend in the stomach wall
Lesser curvature
The caudal bend in the stomach wall
Greater curvature
The ring of muscle separating the stomach from the intestines
Pyloric sphincter
The first portion of intestines, travels briefly cranially after exiting the stomach
cranial duodenum
The five named parts of the duodenum in order
Cranial duodenum
Cranially duodenal flexure
Descending duodenum
Caudal duodenal flexure
Ascending duodenum
What is at the junction of the duodenum and the jejunum
Duodenal-jejunal flexure
What comes first, the ileum or the jejunum
Jejunum
Which will show a larger barium pool- the right or left side?
Left- the fundus is larger than the pylorus
What is shorter, the ascending or descending colon?
Ascending
5 named pieces of colon
Ascending colon
Right colic flexure
transverse colon
Left colic flexure
Descending colon
To which part of the colon is the cecum attached?
Ascending colon
What marks the change from colon to rectum
Crossing the Os Coxae
What organ lies between the stomach and the transverse colon, the descending duodenum and the cecum
Pancreas
Where can the cranial mesenteric artery be found
Supplying the ileum and jejunum
The transverse colon is always found ______ to the mesenteric root. The caudal duodenal flexure is always found ________ to the mesenteric root.
Cranial; caudal
What non-fixed structure marks when the intestines become more motile?
duodenal-jejunal flexure
How many lobes does the liver have?
Six
What lobes of the liver does the gallbladder sit between
The quadrate and right medial lobes
What is the name of the duct that comes off the gallbladder
Cystic duct
What does the cystic duct become?
The bile duct
What ducts come of the cystic duct?
hepatic ducts
Where does the gall bladder release bile into
The descending duodenum
What does the bile/pancreatic duct open into
the major/cranial papilla
What does the accessory pancreatic duct open into
The minor/caudal papilla
