Chapter 4: Abdomen Flashcards
Smallest branch of the celiac trunk
Left Gastric Artery
Largest branch of the celiac trunk
Splenic Artery
Pancreatic branch of Splenic Artery
Dorsal Pancreatic Artery
Branch of Splenic Artery that passes through lineogastric ligament to reach the fundus of the stomach
Short gastric artery
Branch of Splenic Artery which runs along the greater curvature of the stomach to distribute to the stomach and greater omentum
Left gastroepiploic or Gastro-omental artery
Branches of the Splenic Artery
Dorsal pancreatic artery
Short gastric artery
Left gastroepiploic artery
Branches of the Left Gastric Artery
Esophageal and hepatic branches
Branch of the Celiac trunk that runs along the right border of the pancreas
Common hepatic artery
Branches of the common hepatic artery
Proper hepatic artery
Right gastric artery
Gastroduodenal artery
Proper hepatic artery divides near the porta hepatis into the ff:
Left and right hepatic arteries
Right hepatic artery gives rise to this artery in the cystohepatic triangle of Calot
Cystic artery
Right gastric artery arises from this artery
Proper or common hepatic artery
Left gastric artery arises from this artery
Celiac trunk
Left gastroepiploic artery arises from this artery
Splenic artery
Right gastroepiploic artery arises from this artery
Gastroduodenal artery
Branch of gastroduodenal artery that runs to the left along the greater curvature of the stomach, supplying the stomach and greater omentum
Right gastroepiploic or gastro-omental artery
Branch of gastroduodenal artery that passes between the duodenum and head of pancreas
Superior pancreaticoduodenal artery
This artery from the aorta behind the neck of the pancreas
Superior Mesenteric Artery
5 branches of the superior mesenteric artery
Inferior pancreaticoduodenal artery Middle colic artery Right colic artery Ileocolic artery Intestinal arteries
Branch of superior mesenteric artery that enters the transverse mesocolon
Middle colic artery
Right branch of the middle colic artery anastomose with this artery
Right colic artery
Left branch of the middle colic artery anastomoses with this artery
Ascending branch of the colic artery
The branches of the mesenteric arteries form an anastomotic channel called
Marginal artery
Branch of superior mesenteric artery that runs to the right behind the peritoneum and gives rise to ascending and descending branches
Right colic artery
Branchs of superior mesenteric arteries that are 12 to 13 in number and supply the jejunum and ileum
Intestinal arteries
Arises from the aorta and passes to the left behind the peritoneum and distributes to the descending and sigmoid colons and upper pprtion of the rectum
Inferior mesenteric artery
3 branches of the inferior mesenteric artery
Left colic artery
Sigmoid arteries
Superior rectal artery
Branch of inferior mesenteric artery that runs to the left behind the peritoneum toward the descending colon and divides into ascending and descending branches
Left colic artery
Branch of inferior mesenteric artery that run toward the sigmoid colon in its mesentery
Sigmoid arteries
It is the termination of the inferior mesenteric artery
Superior rectal artery
Formed by the union of the splenic vein and superior mesenteric vein
Portal vein
The portal vein receives this vein
Left gastric (or coronary) vein
The portal vein measures ___ long
8cm or 3.2 inches
Treatment of portal hypertension achieved by creating a communication between PORTAL VEIN and IVC
Portacaval shunt
Treatment of portal hypertension accomplished by anastomosing SPLENIC VEIN to the LEFT RENAL VEIN
Splenorenal or Warren Shunt
Treatment of portal hypertension wherein a catheter is placed percutaneously into the right internal jugular vein through which an intrahepatic shunt is created between a hepatic vein and a branch of the portal vein
Transjugular Intrahepatic Portosystemic Shunt (TIPS)
Joins the splenic vein to form the portal vein
Superior mesenteric vein
Formed by the union of tributaries from the spleen
Splenic vein
Splenic veins receives the following veins:
Short gastric vein
Left gastroepiploic vein
Pancreatic veins
Formed by the union of superior rectal vein and sigmoid vein
Inferior mesenteric vein
Found in the falciform ligament and are virtually closed but dilate in portal hypertension
Paraumbilical veins
Occlusion of the hepatic veins that results in high pressure in the veins causing hepatomegaly, upper right abdominal pain, ascites, mild jaundice, portal hypertension and liver failure
Budd-Chiari syndrome
Retracts the testis
Cremaster
Depresses the ribs and flexes the trunk
Rectus abdominis
Tenses the linea alba
Pyramidal
Superficial fatty layer
Camper fascia
Deep membranous layer
Scarpa fascia
Tendinous median raphe formed by the fusion of aponeuroses of External oblique, Internal oblique and Transverse abdominal muscles
Linea alba
Below the arcuate line, the anterior layer of the rectus sheath is formed by the aponeuroses of:
External oblique, internal oblique and transverse muscles
Above the arcuate line, the anterior layer of the rectus sheath is formed by the aponeuroses of:
External and internal oblique muscles
Below the arcuate line, the posterior layer of the rectus sheath is
Rectus abdominis is in contact with transversalis fascia
Above the arcuate line, the posterior layer of the rectus sheath is formed by the aponeuroses of:
Internal oblique and transverse muscles
Medial boundary of the Inguinal or Hesselbach Triangle
Linea semilunaris or the lateral edge of the rectus abdominis
Lateral boundary of the Inguinal or Hesselbach Triangle
Inferior epigastric vessels
Inferior boundary of the Inguinal or Hesselbach Triangle
Inguinal ligament
An area of potential weakness and a common site of direct inguinal hernia
Inguinal or Hesselbach triangle
Triangular opening in the aponeurosis of the external oblique muscle that lies just lateral to the pubic tubercle
Superficial inguinal ring
Inguinal ring that lies in the transversalis fascia, just lateral to the inferior epigastric vessels
Deep inguinal ring
Begins at the deep inguinal ring and terminates at the superficial ring
Inguinal canal
Structures that run through the inguinal canal and deep inguinal ring, EXCEPT
Spermatic cord or round ligament of the uterus
Genital branch of genitofemoral nerve
Ilioinguinal nerve
Hernia in which the contents of the hernial sac can be returned to their normal position
Reducible hernia
Irreducible hernia in which the contents of the hernial sac are entrapped of stuck in the groin
Incarcerated hernia
Irreducible hernia in which the intestine becomes tightly trapped or twisted, thus, circulation is restricted
Strangulated hernia
Inguinal hernia that passes through the deep inguinal ring, inguinal canal, and superficial inguinal ring and descends into the scrotum
Indirect inguinal hernia
Inguinal hernia that occurs in the inguinal triangle directly through the abdominal wall muscles
Direct inguinal hernia
The remnant of the obliterated urachus
Median umbilical ligament or fold
The remnant of the obliterated umbilical artery
Medial umbilical ligament or fold
Fold of peritoneum that covers the inferior epigastric vessels and extends from the medial side of the deep inguinal ring to the arcuate line
Lateral Umbilical fold
A muscular tube approximately 10 inches or 25cm long extending from the pharynx to the stomach
Esophagus
Caused by a lower esophageal sphincter dysfunction causing reflux of stomach contents
GERD
Part of the stomach that lies inferior to the apex of the heart at the level of the 5th rib
Fundus
Extends from the pyloric opening to the ileocecal junction
Small intestine
Location of complete digestion and absorption of most of the products of digestion
Intestine
Shortest but widest part of the small intestine
Duodenum
Part of the duodenum that is not retroperitoneal
Superior or 1st part
C-shaped tube surrounding the head of the pancreas
Duodenum
Part of the duodenum where the common bile duct and main pancreatic duct open
Descending or 2nd part
Terminal openings of the bile and main pancreatic ducts
Greater papilla
Site of entry of the accessory pancreatic duct
Lesser papilla
Longest part of the duodenum
Transverse of 3rd part
Inflammatory bowel disease that usually occurs in the ileum
Crohn’s disease
Inflammatory bowel disease that involves the colon and the rectum
Ulcerative colitis
Immune reaction to eating gluten
Celiac disease
Proximal 2/5 of the small intestine
Jejunum
Has plicae circulares, longer vasa recta
Jejunum
Distal 3/5 of the small intestine
Ileum
Presence of Peyer patches, shorter plicae circulares and vasa recta
Ileum
Parts of the colon that are retroperitoneal
Ascending colon
Descending colon
Extends from the ileocecal junction to the anus and is approximately 1.5m (5ft) long
Colon
Absence of enteric ganglia
Megacolon/Hirschsprung disease
Blind pouch of the large intestine that lies in the right iliac fossa
Cecum
Junction of the lateral 1/3 of the line between the right anterior superior iliac spine and umbilicus
McBurney point
Narrow, hollow, muscular tube with large aggregations of lymphoid tissue in its wall
Appendix
Largest visceral organ and largest gland in the human body
Liver
Portal triad consists of:
Portal vein
Hepatic artery
Bile duct
Lobe of the liver that is divided into anterior and posterior segments
Right lobe
Lobe of the liver that is divided into medial and lateral segments
Left lobe
Dilated veins around the anal canal
Hemorrhoids
Dilated veins in the lower part of the esophagus
Esophageal varices
Dilated veins around the umbilicus
Caput medusa
Small, red, spiderlike arterioles in the cheeks, neck, and shoulder
Spider nevi or spider angioma
Accumulation of fluid in the peritoneal cavity
Ascites
Organ located at the junction of the right 9th costal cartilage and lateral border of the rectus abdominis
Gallbladder
Presents commonly in Fat, Fertile (multiparous) Females, who are older than Forty (4-F individuals)
Gallstones
Union of the right and left hepatic ducts
Common hepatic duct
Common site of impaction of gallstones
Cystic duct
Formed by the union of common hepatic duct and cystic duct
Common bile duct
Formed by the union of common bile duct and main pancreatic duct
Ampulla of Vater or Hepatopancreatic Duct
Ascending and transverse colons are supplied by:
Superior mesenteric artery
Vagus nerve
Descending and sigmoid colons are supplied by:
Inferior mesenteric artery
Splanchnic nerves