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Exam 2
GI, Pancreas, Urinary Tract definitions
90
Medical
Undergraduate 1
03/03/2011

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Term
body of pancreas
Definition
lies in mid-epigastrium, anterior to SMA, SMV, AO, IVC
Term
caudal pancreatic artery
Definition
spenic artery branch that supplies tail of pancreas
Term
C-loop of duodenum
Definition
lateral border of the head of pancreas
Term
common hepatic artery
Definition
right superior border of the body and head of pancreas and gives rise to gastroduodenal artery
Term
dorsal pancreatic artery
Definition
splenic artery branch that supplies body of pancreas
Term
duct of santorini
Definition
small accesory duct of pancreas located in the head of the pancreas
Term
duct of Wirsung
Definition
large duct of pancread that drains head, body, and tail. joins CBD to enter duodenum through ampulla of Vater
Term
head of pancreas
Definition
lies in c-loop of duodenum. gastroduodenum artery is anterolateral border and CBD is posterolateral border
Term
neck of pancreas
Definition
small area between head and body, anterior to SMV
Term
pancreaticoduodenal arteries
Definition
supply blood to pancreas along with splenic artery
Term
portal-splenic confluence
Definition
junction of splenic and main portal vein, posterior border of body of pancreas
Term
SMA
Definition
posterior border to the body of pancreas
Term
SMV
Definition
lies poster to neck and/or body of pancreas and anterior to the uncinate process
Term
tail of pancreas
Definition
tapered end of pancreas that lies in hypochondrium near hilus of spleen and upper pole of left kidney
Term
uncinate process
Definition
curved tip of pancreas head that lies posterior to SMV
Term
acinar cells
Definition
performs exocrine functions
Term
amylase
Definition
enzyme secreted by pancreas to aid in digestion of carbohydrates
Term
endocrine
Definition
production of the hormone insulin
Term
exocrine
Definition
primary function of kidney. production and digestion of pancreatic juices
Term
glucagons
Definition
stimulates liver to convert glycogen to glucose. produced by alpha cells
Term
insulin
Definition
hormone that causes glycogen formation from glucose in liver and allows cells within insulin receptors to take up glucose to decrease blood sugar
Term
islets of langerhans
Definition
small cells that make up endocrine portion of pancreas for production of insulin, glucagon, and somatostatin
Term
lipase
Definition
pancreatic enzyme that breaks down fats. is elevated in pancreatitis and remains increased longer than amylase
Term
serum amylase
Definition
pancreatic enzyme that is elevated during pancreatitis
Term
courvoisier's gallbladder
Definition
enlargement caused by slow progressive obstruction of distal common bile duct from external mass. (such as adenocarcinoma in pancreas head)
Term
cystic fibrosis
Definition
hereditary disease that causes excessive production of thick mucus by endocrine glands
Term
hypercalcemia
Definition
elevated levels of calcium in blood
Term
hyperlipidemia
Definition
congenital condition in which elevated fat levels cause pancreatitis
Term
ileus
Definition
dilated loops of bowel w/o peristalsis. various abdominal problems including pancreatitis, sickle cell crisis, and bowel obstruction
Term
leukocytosis
Definition
abnormal increase in whit blood cell caused by infection
Term
lymphoma
Definition
malignant neoplasm from lymphoid tissue
Term
obstructive jaundice
Definition
excessive bilirubin in bloodstream caused by obstruction of bile from liver. yellow discolor in eyes, skin, and mucous membranes
Term
pancreatic ascites
Definition
pancreatic pseudocyst ruptures into abdomen. free floating pancreatic enzymes are dangerous to surrounding structures
Term
pancreatic pseudocyst
Definition
sterile absess. pancreatic enzymes that accummulate in the available space in the abodmen. usually in or near pancreas
Term
pancreatitis
Definition
inflammation of pancreas. acute or chronic
Term
pseudocyst
Definition
space or cavity that contains fluid but has no true endothelial lining membrene
Term
alimentary canal
Definition
known as digestive tract. includes mouth, pharnyx, esophagus, stomach, duodenum, intestines
Term
cardiac orifice
Definition
entrance of esophagus into stomach
Term
duodenal bulb
Definition
first part of duodenum
Term
gastohepatic ligament
Definition
helps support lesser curvature of stomach
Term
gastrophrenic, gastrosplenic, and lienorenal ligaments
Definition
helps support greater curvature of stomach
Term
greater omentum
Definition
fatty apron. double fold of peritoneum attached to duodenum, stomach, and large intestine. helps support greater curvature of stomach
Term
haustra
Definition
normal segmentation of wall of colon
Term
hepatic flexture
Definition
transitional bend from ascending colon to tranverse colon
Term
lesser omentum
Definition
suspends stomach and duodenum from the liver. helps support lesser curvature of stomach
Term
mesentery
Definition
projects from parietal peritoneum and attaches to small intestine achoring it to the posterior abdominal wall.
Term
mesothelium
Definition
fifth layer of bowel
Term
mucosa
Definition
first layer of bowel
Term
muscularis
Definition
third layer of bowel
Term
pyloric canal
Definition
muscle that connects the somach to proximal duodenum
Term
rugae
Definition
inner fold of stomach wall
Term
serosa
Definition
fourth layer of bowel. surrounded by mesothelium covering the intraperitoneal bowel loops 
Term
splenic flexure
Definition
transitional bend of transverse colon to descending colon
Term
submucosa
Definition
one of layers of bowel under mucosa containin blood vessels and lymph nodes
Term
valvulae conniventes
Definition
normal segmentation of small bowel
Term
villi
Definition
inner folds of small intestine
Term
abscess
Definition
localized collection of pus surrounded by inflamed tissue
Term
absorption
Definition
process of nutrient molecules passing through wall of intestine into blood and lymph system
Term
cholecystokinin
Definition
hormone released by presence of fat in intestines. regulates GB contraction and gastric emptying
Term
gastrin
Definition
endocrine hormone released from stomach
Term
McBurney point
Definition
midway point from right iliac spine to umbilicus where appendix lies
Term
peristalsis
Definition
rhythmic dilatation and contraction of gastrointestinal tract as food propells through it
Term
secretin
Definition
antacid realeased from small bowel. stimulates secretion of biocarbonate
Term
appendicolith
Definition
fecalith or calcification located in appendix
Term
ascites
Definition
free fluid in abdomen
Term
crohn's disease
Definition
inflammation of bowel, accompanied by abscess and bowel wall thickening
Term
diverticulum
Definition
herniation through muscular wall of tubular organs. occurs in stomach, small intestines, colon
Term
fecalith
Definition
calculus that may form around fecal material accociated with appendicitis
Term
hemorrhage
Definition
collection of blood
Term
lymphoma
Definition
malignant neoplasm of lymph nodes
Term
McBurney sign
Definition
site of maximal tenderness in RLQ, usually associated with appendicitis
Term
Meckel's diverticulum
Definition
congenital sac or blind pouch found in lower portion of ileum
Term
paralytic ileus
Definition
dilated fluid filled bowel loop w/o peristalsis
Term
polyp
Definition
small tumorlike growth from mucous membrane surface
Term
target sign
Definition
characteristic of gastrointestinal wall thickening consisting of echogenic center and hypoechoic rim
Term
BUN
Definition
blood, urea, nitrogen. waste products accumulate in the blood when kidney's malfuntion
Term
creatinine
Definition
lab test used to measure the kidneys ability to get rid of waste. waste products accumulate in blood when kidney's malfunction
Term
glomerulus
Definition
part of filtration process in the kidney
Term
homeostasis
Definition
maintenace of normal body physiology
Term
morrison's pouch
Definition
right posterior subhepatic space located anterior to kidney and inferior to liver where fluid may accumulate
Term
specific gravity
Definition
lab test that measures how much dissoved material is present in the urine
Term
hydronephrosis
Definition
dilation of renal collecting system
Term
renal agenesis
Definition
interruption in normal development of kidney resulting in absence of kidney. unilateral or bilateral
Term
splaying
Definition
widening
Term
urolithiasis
Definition
stone withing urinary system
Term
tadpole sign
Definition
narrow bands of acoustic shadowing posterior to the margins of the cyst along the lateral borders of enhancement
Term
horseshoe kidney
Definition
congenital malformation in which both kidneys are joined together by an isthmus, most common at lower poles
Term
dromedary hump
Definition
normal variant that occurs on left kidney as a bulge on lateral border
Term
etopic kidney
Definition
located ouside normal position, most often in pelvic cavity
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