GI Tract Development
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| What are the 3 regions of the gut | Foregut, Midgut, Hindgut
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| Contains the abdominal esophagus, stomach, proximal duodenum, liver, pancrease, gallbladder, spleen | Foregut
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| Contains the distal duodenum, jejunum, ileum, cecum, appendix, asceding colon, proximal 2/3 transverse colon | Midgut
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| Contains the distal 1/3 transverse colon, descending colon, sigmoid colon, rectum | Hindgut
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| The regions of the gut are differentiated based upon | Their blood supply
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| The foreguts gets its main blood supply from the descending aorta via the | Celiac trunk
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| What are the 3 main branches of the celiac trunk | Splenic, Left Gastric, Common hepatic
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| What two branchs off the Splenic | Short gastric aa, Left gastroomental
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| What does the Splenic artery supply | Spleen
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| What do the short gastric aa supply | Fundus of stomach
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| What does the Left gastroomental a supply | Greater curvature of stomach on the left hand side
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| What does the Left gastric | Lesser curvature of the stomach on the left hand side
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| What two branches does the Common hepatic a give off | Proper Hepatic, Gastroduodenal
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| The proper hepatic artery gives of what three branchs | Right and Left Hepatic aa and Right gastric artery
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| What do the right and left hepatic aa supply | Liver
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| What does the right gastric a supply | Lesser curvature of the stomach on the right hand side
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| The Right gastric a anastomoses with what | Left gastric a
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| What branches does the gastroduodenal a give off | Right Gastroomental and Pancreaticoduodenal
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| What does the Right gastroomental a. supply | Greater curvature of the stomach on the right hand side
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| The right gastroomental a anastomoses with what | Left gastroomental a
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| The Pancreaticodoudenal a usually has what two branches | Superior and Inferior
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| The Midgut gets its main blood supply from the descending aorta via the | Superior mesentaric a
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| The five main branches of the superior mesentaric a are | Middle Colic, Right Colic, Ileocolic, Jujenal aa., Ileal aa.
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| The Middle Colic a supplies the | Transverse colin
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| The Middle Colic a gives of the | Marginal a
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| The Right Colic a supplies the | Ascending colin
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| What does the Right Colic a anastomose with | Marginal a.
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| What does the Ileocolic a supply | The Ilium and Colin
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| What are the branches of the Ileocolic a | Posterior cecal and Appendicular
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| What does the Posterior cecal a supply | The posterior part of the cecum
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| What does teh Appendicular a supply | The Appendix
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| What do the jujunal aa supply | Jejunum
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| What do the Ileal aa supply | Ilium
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| The Jejunal and Ileal aa split into | Loops and arcades, vasa recta
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| What is the character of vasa recta in the ileum | Short
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| What is the character of the vasa recta in the jejunum | Long
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| Which has more arcades the Ilium or the Jejunum | Ilium
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| The hindgut receives its major blood supply from the descending aorta via the | Inferior Mesenteric a
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| The inferior mesenteric a gives off what branches | Left Colic, Sigmoid a, Superior rectal
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| What does the Left Colic a supply | Most of the descending colin
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| What branch does the Left Colic a give off | Marginal
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| The left marginal artery anastomosis with what | Middle Colic
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| What doe the Sigmoid aa supply | Sigmoid colin and lower part of descending colin
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| What does the superior rectal a supply | Rectum
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| What are the two sets of venous drainage in the abdomen | Caval circulation and Portal circulation
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| What does the caval circulation drain | Structures associated with teh abdominal wall; kidneys, gonads, Musculature
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| Where does the caval circulation drain into | Inferior vena cava
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| What does the portal circulation drain | Structures associated with the gut tube
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| Where does the portal circulation drain | Liver
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| What do the inferior phrenic vv drain | Diaphragm
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| What do the renal vv. drain | Kidneys
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| Which renal vein is typically a little longer | Left
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| What do the gonadal vv drain | Gonads
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| Where does the righ gonadal v drain into | Inferior vena cava
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| Where does the left gonadal v drain into | Left Renal v
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| What do the common iliac vv drain | Lower limb and some pelvis
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| What do the lumbar vv drain | Musculature of lumbar region
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| What does the median sacral v drain | Sacrum
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| What forms the Portal v | Splenic and Superior Mesenteric v.
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| What does the Superior mesenteric v. drain | Much of the large intestine and bits of the small intestine
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| What does the Splenic v. drain | Spleen, Stomach, Pancreas
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| What also drains into the portal v | Left and right gastric v
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| What drains into the splenic vein | Inferior mesenteric v
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| What does the inferior mesenteric v drain | Descending colon
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| What drains into inferior mesenteric v | Superior rectal v
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| What caval veins does the Left gastric vein anastomose with | Sumbucosal Esophageal veins
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| What caval vein does the Superior Rectal vein anastomase with | Middle Rectal vein
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| What caval veins do the small veins around the ligamentum teres anastomose with | Superficial abdominal veins
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| Veins draining the posterior aspects of retroperitoneal organs anastomoase with | Retroperitoneal veins draining the posterior abdominal wall
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| In the embryo what lines the gut tube | Endoderm
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| Tissue that covers the gut tube is called | Peritoneum
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| A double layer of peritoneum that attaches the gut tube to the body is called | Mesentery
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| What attaches the gut tube to the dorsal body wall | Dorsal Mesentery
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| What attaches the gut tube to the ventral body wall | Ventral mesentary
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| Most of the GI tract is surrounded by peritoneum making it | Intraperitoneal
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| Some organs have only the anterior surface covered by peritoneum making them | Retroperitoneal
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| During forgut development what grows from the dorsal portion | Dorsal portion of stomach, spleen, pancreas
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| Dorsal mesenterery becomes what | Greater omentum
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| During forgut development what grows from teh ventral portion | Ventral portion of stomach, Liver, Gallbladder
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| Ventral mesentery becomes what | Lesser omentum
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| During forgut development what happens first | Anterior-Posterior Out growths
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| During forgut development what happens second | The stomach rotates 90 degrees clockwise
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| The greater omentum forms the boundary of the | Omental bursa
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| The lesser omentum covers the | Lesser sac
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| What is the opening of the lesser sac called | Omental foramen
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| Is the first part of the duodenum intraperitoneal or retroperitoneal | Intraperitoneal
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| The transition to the midgut is where what duct enters into the duodenum | Common bile duct
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| The liver and gallbladder develop from the foregut as the | Hepatic Diverticulum
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| The pancrease develops from the dorsal and ventral pancreatic buds that eventually fuse to form the | Definitive process
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| The spleen develops withing the dorsal | Mesogastrium
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| The foregut undergoes a ... degree clockwise rotation | 90
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| During embryoligic development the midgut elongates and extends out to the | Umbilical cord
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| During development the midgut rotates | 90 Counterclockwise
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| During development after the first rotation the midgut tube begins to | Return to the abdominal cavity
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| During development after it returns to the abdomin the midgut rotates another | 180 degrees counterclockwise
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| During development when the midgut is rotating if the superior mesentaric artery or its brnaches become compressed it is called | Volvulus
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| During development if part of the gut tube remains sticking out of the body wall it is called | Gastroschisis or Omphalocele
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| What common tube differentiates into the UG and GI systems | Cloaca
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| Most of the innervation of the gut is mostly | Autonomic
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| The sympathetic nerves that innervate the the gut are the | Greater, Lesser, Least and Lumbar splanchnic nn
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| The parasympathetic nerves that innervate the gut are the | Vagus and Pelvic splanchnic nn
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| What is the sympathetic innervation for the foregut | Greater splanchnic n
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| What is the parapympatheticn innervation for the foregut | Vagus
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| What are teh visceral afferent for the foregut | T6-T12
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| What is the sympathetic innervation for the Midgut | Lesser and Least splanchnic nn
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| What is the parasympathetic innervation for the midgut | Vagus
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| What are the visceral afferents for the midgut | T8-T12
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| What is the sympathetic innervation for the hindgut | Least splanchnic nerve
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| What is the parasympathetic innervation for the hindgut | Pelvic splanchnic n
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| What are visceral afferents for the hindgut | T12-S4
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