Abdomen 2 Flashcards
What is the largest gland in the human body?
LIVER
What is the blood supply t the foregut?
Celiac Trunk
What structure extends from the pylorus of the stomach to the ileocecal junction?
SMALL INTESTINE
What are the three components of the small intestine?
Duodenum
Jejunum
Ileum
What is the shortest, widest, and most fixed part of the small intestine that extends from the pylorus to the duodenojejunal flexure?
DUODENUM
The duodenum is retroperitoneal. TRUE OR FALSE
FALSE
the first part of the duodenum is INTRA-peritoneal
- the remaining parts are retroperitoneal
What connects the first part of the duodenum to the liver ?
HEPATODUODENAL LIGAMENT
of the lesser momentum
What are the lumbar vertebrae levels of the 4 parts of the duodenum?
Superior
Descending
Inferior
Ascending
1st = L1 (duodenal cap–> can have ulcers here)
2nd = L2-L3
3rd = L3
4th = L3-L2
Which part of the duodenum receives the major duodenal papilla (bile duct & main pancreatic duct) & the minor duodenal papilla (accessory pancreatic duct)? Which lumbar vertebrae does it lie at?
SECOND PART
- L2-L3
What artery & vein cross the 3rd part of the duodenum? Where is the Portal Vein?
SMV & SMA
- NECK of the pancreas (behind it)
The suspensory ligament of the duodenum (ligament of Treitz) tethers which part of the duodenum?
4th = Ascending (L3-2)
The whole pancreas is RETROPERITONEAl. True or False?
FALSE
- TAIL lies in the lienorenal ligament
The SMA & SMV cross which organ (& what part of this organ)
HEAD of the PANCREAS
At which part of the pancreas do the splenic & SMV join together to form the PORTAL vein?
NECK
What are the two ducts of the pancreas? What parts of the pancreas do they drain?
- Main Pancreatic (of wirsung) Duct
- drain tail, neck and upper head - Accessory Pancreatic Duct (of santorini)
- drain uncinate process
What two structures join together to form the AMPULLA of VATER? At what organ is this located?
Bile Duct & Pancreatic duct (Hepatopancreatic Ampulla)
- 2nd part of DUODENUM
Where do the duodenum & jejunum begin & end?
BEGIN = duodenojejunal flexure
END = ILEOCECAL JUNCTION
What artery supplies the Duodenum & Jejunum?
SMA
What are 4 major differences between the JEJUNUM & ILEUM?
- Jejunum = less fatty
- thicker
- Greater vascularity
- LONG Vasa Recta
- A few large ARACADE loops
ILEUM
- more fatty
- thinner
- less vascularity
- short VASA RECTA
- many SHORT Arcade Loops
What are the 4 components of the large intestine?
- Cecum w/ Appendix
- Colon
- Rectum
- Anal Canal
What parts of the colon are retroperitoneal?
ASCENDING & DESCENDING
Is appendix retroperitoneal or intraperitoneal?
INTRAPERITONEAL
- along w/ transverse colon, and sigmoid colon
What arteries supply the large intestine?
SMA & IMA
The appendices epiploicase (mental bursae) are small pouches filled with fat that are usually found on all aspects of the LARGE INTESTINE except:
CAR
Cecum
Appendix
Rectum
What longitudinal muscle layer forms 3 bands? Where do they begin and end?
Taeniae Coli
- base of appendix to sigmoid colon
(large intestine)
What is found in between the tania coli bulging outward to form 3 rows of pouches in the LARGE intestine?
Haustra –> Sacculations