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Merrills Ch 16 pt 1

Abdomen & Biliary Tract- pt 1

consists of the alimentary tract & certain contributory accessory organs digestive system
masticate food teeth
secrete fluid into mouth for digestion salivary glands
secrete specialized digestive juices into the small intestine (2) liver & pancreas
extends from diaphragm to superior bony pelvis; contains stomach, small & large intestines, liver, gallbladder, spleen, pancreas & kidneys abdominal cavity
lies w/in the margins of the bony pelvis; contains the rectum & sigmoid of the large intestine, urinary bladder, and reproductive organs pelvic cavity
double-walled seromembranous sac enclosing abdominopelvic cavity peritoneum
outer peritoneum parietal peritoneum
inner peritoneum visceral peritoneum
folds of peritoneum; support viscera in position mesentery and omenta
space between the 2 layers of peritoneum peritoneal cavity
contained in peritoneal cavity serous fluid
cavity behind the peritoneum; contains kidneys & pancreas retroperitoneum
largest gland in the body liver
the diaphragmatic surface of liver is ______; the _______ surface is concave convex; visceral
the deepest point of the liver is the ________ aspect just above the right ______ inferior; kidney
body regions occupied by the liver right hypochondrium; left hypochondrium & epigastrium
divides liver into right & left lobes falciform ligament
smaller lobe of liver left
minor, posterior lobe of liver caudate lobe
minor, inferior lobe of liver quadrate lobe
hilum of liver; located between the 2 minor lobes porta hepatis
convey blood to liver portal vein & hepatic artery
True or false? The portal system carries modified blood from the liver to the heart. True
conveys blood from the liver sinusoids to the IVC hepatic veins
True or false? The liver secretes bile at a rate of 1-3 pints (½- 1½ L) every hour. False; 1-3 pints (½- 1½ L) per day
eliminates waste products of RBC destruction; aids in emulsification & assimiliation of fats bile
bile: liver ➔ gallbladder or ________ duodenum
beginning of biliary/ excretory system of liver bile capillaries
2 main ducts leading from each major lobe of liver, emerging at the porta hepatis right & left hepatic ducts
convergence of main hepatic ducts common hepatic duct
convergence of common hepatic duct & cystic duct common bile duct
enlarged chamber between common bile & pancreatic ducts, and duodenum hepatopancreatic ampulla, or ampulla of Vater
distal end of the common bile duct choledochal sphincter
circular muscle that controls hepatopancreatic ampulla (ampulla of Vater) sphincter of Oddi, or sphincter of the hepatopancreatic ampulla
elevation on the duodenal mucosa where the hepatopancreaticj ampulla opens major duodenal papilla
capacity of gallbladder 2 ounces
thin-walled, pear-shaped, musculomembranous sac; concentrates, stores or evacuates bile gallbladder
hormone that activates muscular contraction of gallbladder; secreted by the duodenal mucosa cholecystokinin
capacity of gallbladder 2 ounces
thin-walled, musculomembranous sac, pear-shaped; concentrates, stores or evauates bile gallbladder
hormone that activates contraction of gallbladder cholecystokinin
elongated gland extending from the duodenum to the spleen; 5½" long pancreas
broadest part of pancreas; located at L2-L3 head
True or false? The pancreas cannot be visualized on plain x-rays. True
The ________ is both an exocrine & endocrine gland. pancreas
location of inferior right portion of liver L4
exocrine lobules of pancreas produce pancreatic juice
endocrine islet cells of pancreas produce insulin & glucagon
clusters of cells of pancreas islets of Langerhans
glandlike but ductless bean-shaped organ of lymphatic system; 5" (13 cm) long, 3" (7.6 cm) wide & 1" (3.8 cm) thick; located in LUQ inferior to diaphragm & posterior to stomach spleen
True or false? Abdominal radiographs should produce black-and-white contrast. False; should have moderate gray tones
Best criteria for judging the quality of an abdominal radiograph sharply defined outlines of: psoas muscles, inferior liver, kidneys, ribs & transverse processes of lumbar vertebrae
3 way or acute abdomen series PA chest, KUB & upright AP abdomen
Created by: GWCCRad12