abdominal aorta and inferior vena cava
DESCRIPTION
ABDOMINAL AORTA and INFERIOR VENA CAVA. Abdominal Aorta. Extends from: T12. To: L4. Abdominal Aorta. Branches: Three unpaired anterior visceral branches. Three paired lateral visceral branches. Five paired lateral abdominal wall branches. - PowerPoint PPT PresentationTRANSCRIPT
ABDOMINAL AORTAABDOMINAL AORTAandand
INFERIOR VENA CAVAINFERIOR VENA CAVA
Abdominal AortaAbdominal Aorta
Extends from:Extends from:T12.T12.
To:To:
L4.L4.
Abdominal AortaAbdominal Aorta
Branches:Branches:
Three unpaired anterior visceral branches.Three unpaired anterior visceral branches.
Three paired lateral visceral branches.Three paired lateral visceral branches.
Five paired lateral abdominal wall Five paired lateral abdominal wall branches.branches.
Three terminal branches (one unpaired).Three terminal branches (one unpaired).
Unpaired Anterior Visceral Unpaired Anterior Visceral BranchesBranches
Celiac trunk (artery):Celiac trunk (artery):
Left gastric.Left gastric.
Splenic.Splenic.
Hepatic.Hepatic.
Unpaired Anterior Visceral Unpaired Anterior Visceral BranchesBranches
Celiac trunk (artery):Celiac trunk (artery):
Left gastric:Left gastric:To inferior esophagus.To inferior esophagus.
To lesser curvature of stomach:To lesser curvature of stomach:
Travels in lesser omentum.Travels in lesser omentum.
Anastomosis:Anastomosis:
With right gastric from hepatic A.With right gastric from hepatic A.
Unpaired Anterior Visceral Unpaired Anterior Visceral BranchesBranches
Celiac trunk (artery):Celiac trunk (artery):
Splenic artery branches:Splenic artery branches:Short gastric arteries (6).Short gastric arteries (6).
Splenic arteries (6).Splenic arteries (6).
Left gastroepiploic artery:Left gastroepiploic artery:
Travels along greater curvature Travels along greater curvature of stomach.of stomach.
Enters spleen at splenic hilum.Enters spleen at splenic hilum.
Unpaired Anterior Visceral Unpaired Anterior Visceral BranchesBranches
Celiac trunk (artery):Celiac trunk (artery):
Hepatic branches:Hepatic branches:Cystic artery.Cystic artery.
Right gastric:Right gastric:
Travels along lesser curvature of Travels along lesser curvature of the stomach.the stomach.
Unpaired Anterior Visceral Unpaired Anterior Visceral BranchesBranches
Celiac trunk (artery):Celiac trunk (artery):Hepatic branches:Hepatic branches:
Gastroduodenal:Gastroduodenal:
Right gastroepiploic:Right gastroepiploic:
Travels along greater Travels along greater curvature of the stomach.curvature of the stomach.
Superior pancreaticoduodenal:Superior pancreaticoduodenal:
Travels along head of Travels along head of pancreas.pancreas.
Supplies duodenum and Supplies duodenum and pancreas.pancreas.
Unpaired Anterior Visceral Unpaired Anterior Visceral BranchesBranches
Celiac trunk (artery):Celiac trunk (artery):
Hepatic branches:Hepatic branches:Right hepatic.Right hepatic.
Left hepatic.Left hepatic.
Unpaired Anterior Visceral Unpaired Anterior Visceral BranchesBranches
Superior mesenteric artery:Superior mesenteric artery:Jejunal and ileal arteries.Jejunal and ileal arteries.
Inferior pancreaticoduodenal artery:Inferior pancreaticoduodenal artery:Joins superior pancreaticoduodenal.Joins superior pancreaticoduodenal.
Middle colic artery:Middle colic artery:To transverse colon.To transverse colon.
Arcades.Arcades.
Vasa recta.Vasa recta.
Windows.Windows.
Unpaired Anterior Visceral Unpaired Anterior Visceral BranchesBranches
Superior mesenteric artery:Superior mesenteric artery:
Right colic artery:Right colic artery:Supplies ascending colon.Supplies ascending colon.
Arcades.Arcades.
Vasa recta.Vasa recta.
Windows.Windows.
Unpaired Anterior Visceral Unpaired Anterior Visceral BranchesBranches
Superior mesenteric artery:Superior mesenteric artery:
Ileocolic artery:Ileocolic artery:Terminal branch.Terminal branch.
Supplies ileum, cecum and ascending Supplies ileum, cecum and ascending colon.colon.
Appendicular artery.Appendicular artery.
Arcades.Arcades.
Vasa recta and windows.Vasa recta and windows.
Unpaired Anterior Visceral Unpaired Anterior Visceral BranchesBranches
Inferior mesenteric artery:Inferior mesenteric artery:
Left colic:Left colic:Supplies descending colon.Supplies descending colon.
Marginal artery:Marginal artery:
Arcades, vasa recta, windows.Arcades, vasa recta, windows.
Unpaired Anterior Visceral Unpaired Anterior Visceral BranchesBranches
Inferior mesenteric artery:Inferior mesenteric artery:
Sigmoid arteries (2-3).Sigmoid arteries (2-3).Supply descending and sigmoid colon.Supply descending and sigmoid colon.
Arcades, vasa recta, and windows.Arcades, vasa recta, and windows.
Superior rectal artery:Superior rectal artery:Terminal branch.Terminal branch.
Supplies proximal rectum.Supplies proximal rectum.
Paired Lateral Visceral BranchesPaired Lateral Visceral Branches
Suprarenal.Suprarenal.Renal:Renal:
Gives off five segmental arteries.Gives off five segmental arteries.Testicular or ovarian.Testicular or ovarian.
Paired Lateral Abdominal WallPaired Lateral Abdominal Wall
Inferior phrenic.Inferior phrenic.Lumbar (4 pairs).Lumbar (4 pairs).
Terminal BranchesTerminal Branches
Common iliacs:Common iliacs:External iliacs:External iliacs:
Become femoral arteries distal to Become femoral arteries distal to inguinal ligament.inguinal ligament.
Inferior epigastrics:Inferior epigastrics:
Travel in lateral umbilical folds.Travel in lateral umbilical folds.
Deep circumflex iliacs:Deep circumflex iliacs:
Supply iliacus muscle and inferior Supply iliacus muscle and inferior anterolateral abdominal wall.anterolateral abdominal wall.
Terminal BranchesTerminal Branches
Common iliacs:Common iliacs:External iliacs (reminder):External iliacs (reminder):
Become femoral arteries distal to Become femoral arteries distal to inguinal ligament:inguinal ligament:
Superficial circumflex artery.Superficial circumflex artery.Superficial epigastric artery.Superficial epigastric artery.
Internal iliacs.Internal iliacs.Median sacralMedian sacral
Inferior Vena CavaInferior Vena Cava
From right and left common iliac veins:From right and left common iliac veins:Internal iliacs drain pelvis.Internal iliacs drain pelvis.
External iliacs are continuations of femoral External iliacs are continuations of femoral veins:veins:
Become external iliacs proximal to Become external iliacs proximal to inguinal ligament.inguinal ligament.
Inferior Vena CavaInferior Vena Cava
Tributaries:Tributaries:Gonadal veins (testicular or ovarian):Gonadal veins (testicular or ovarian):
Dump into left renal vein on left).Dump into left renal vein on left).
Renal veins.Renal veins.
Suprarenal veins:Suprarenal veins:Dump into left renal vein on left.Dump into left renal vein on left.
Inferior phrenic veins.Inferior phrenic veins.
Hepatic veins:Hepatic veins:Right, left, middle.Right, left, middle.
Portal Vein TributariesPortal Vein Tributaries
Superior mesenteric vein:Superior mesenteric vein:Middle colic vein (drains transverse colon).Middle colic vein (drains transverse colon).Right colic vein (drains ascending colon).Right colic vein (drains ascending colon).Ileocolic vein (drains ileum, ileocecal Ileocolic vein (drains ileum, ileocecal junction, cecum, and ascending colon).junction, cecum, and ascending colon).Ileal vein (drains ileum).Ileal vein (drains ileum).Right gastroepiploic vein (drains right Right gastroepiploic vein (drains right
aspect aspect of greater curvature of stomach).of greater curvature of stomach).Pancreaticoduodenal (drains duodenum Pancreaticoduodenal (drains duodenum
and and head of pancreas).head of pancreas).
Portal Vein TributariesPortal Vein Tributaries
Splenic vein:Splenic vein:Right gastric vein (lesser curvature of Right gastric vein (lesser curvature of
stomach).stomach).
Left gastric vein (lesser curvature of Left gastric vein (lesser curvature of stomach).stomach).
Paraumbilical vein (umbilical region).Paraumbilical vein (umbilical region).