1.04 UTF-8 0 0 0 Lung buds come from where? 2 ventral part of pharynx 1 Stomach comes from where? 2 distal foregut expansion 1 Liver & Pancreas come from where? 2 Buds from distal part of foregut 1 what type of tissue forms the epithelial & glandular parts of digestive organs. 2 endoderm 1 in gut formation what comes from spanchnic mesoderm 2 (muscular, C.T., and mesothelial layer, visceral peritoneum (serosa), dorsal mesentery 1 what explains Right vagus nerve-posterior surface; left vagus nerve---anterior surface of adult stomach & lower esophagus 2 Gut Rotation ---270 degree roation (counterclockwise) when viewed ventrally (starts day 35) 1 where will excess fluid in the abdonimopelvic cavity accumulatin in a supine individual and what is this called 2 in the superior and inferior dorsal parts ascites 1 what is peritonitis and how is it caused 2 infection and inflammation of the peritoneum ruptered appendix, penetrating knife or bullet wound, non-sterile surgical technique 1 where is the superior recess of the lesser sac 2 between the quadrate lobe and the diaphram 1 where is the subphrenic recess 2 between anterior surface of the liver and the anterior abdominal wall (diaphragm) 1 what are the two derivatives of the ventral mesentery 2 falciform ligament lesser omentum 1 what is the gastrocolic ligament 2 that big mother that hangs over the transvers colon 1 what are the Boundaries of abdominal cavity 2 --Superior boundary (diaphragm) --Inferior boundary (pelvic brim) --Ant. & Lat. Boundaries (Ant. & Lat. Abdominal walls) --Posterior boundary (post. Abdominal wall) 1 what are the Organs associated with posterior abd. Wall 2 IVC, aorta, kidneys, retroperitoneal parts of duodenum, pancreas, ascending & descending colon 1 what are the 4 recesses of greater sac 2 Subphrenic recess-b/t anterior abd wall and anterior surface of liver Hepatorenal recess-on the right side only; slit b/t inf. aspect of liver & r. kidney (superior part of paravertebral gutter) Retrocecal recess-in the right iliac fossa (usually occupied by appendix) Paracolic gutters---ascending & descending segments of colon lie here but do not completely fill it. Lateral to it runs a paracolic gutter. 1 the supracolic & infracolic portions are separated by what? 2 The greater omentum (inferior to stomach) w/ the transverse mesocolon that it fuses to makes a septum. Anything superior is supracolic. Anything inferior is infracolic. 1 what are the Derivatives of dorsal mesentery 2 1. Greater Omentum, 2. Mesentery Proper, 3.Transverse mesocolon, 4. sigmoid mesocolon 1 What are the four subdivisions of the greater omentum? 2 1) gastrophrenic ligament: connects superior part of stomach to diaphragm 2) gastrosplenic (gastrolienal) ligament: stomach to spleen 3) lienorenal ligament: spleen to left kidney (on post. Abd wall) 4) gastrocolic ligament: main portion that hangs down over transverse colon & folds back over itself before attaching to post abd wall. 1 what is the arterial supply of the pancrease 2 sup. & inf. Pancreaticoduodenal, superior mesenteric, common hepatic artery, splenic artery 1 what is the nerve innervation of the pancrease 2 splanchnic or vagus go to the celiac & superior mesenteric plexuses, then to the pancreas 1 what makes up Right side of “H” in liver 2 IVC-superiorly, gallbladder-inferiorly 1 what makes up the Left side of “H” in the liver 2 deep fissure from ligamentum venosum-superiorly and ligamentum teres-inferiorly 1 what is the remnant of the umbilical vein 2 ligamentum teres 1 what is the crossbar of “H” in the liver 2 Hepatis-where most vessels enter/leave liver 1 what is the nerve supply of the liver 2 Splanchnic or Vagus go to Celiac plexus, which continues to Hepatic plexus, which goes to the Liver. 1 what are the contents of the porta hepatis 2 L and R portal Vein L and R hepatic Artery L and R commmon hepatic duct 1 what structures form from a diertculum of the foregut 2 liver gall bladder bile ducts 1 the lower part of the esophagus is supplied by what artery what is the upper part supplied by? 2 Left gastric arter direct branches from the aorta 1 how do veins corresponding to the celiac artery drain 2 right into the portal vein 1 all abdominopelvic organs have sympathetic innervation that is derived from .... 2 the lower thracic and upper lumbar segments of the spinal cord T5-L2 1 preganglionic fibers enter sypathetci chain ganglia (T5-L2) through ____________ rami communicantes 2 white 1 splanchnic nerves supply ________________ and always contain ___________ __________ fibers 2 visceral organs preganglionic autonomic 1 when the vitelline duct does not disappear 2 Meckel's diverticulum 1 Where do liver, gallbladder, and bile ducts form from? 2 Diverticulum of foregut. 1 where does the Ventral pancreatic bud come from? 2 comes from the same diverticulum as bile ducts 1 where does the Dorsal pancreatic bud come from? 2 comes from diverticulum of the future duodenum. 1 what are the 3 branches of celiac artery 2 --1). Left Gastric Artery-goes to cardiac portion & lesser curvature of stomach --2). Splenic Artery-go to spleen along sup. Surface of pancreas --splenorenal ligament --3). Common hepatic artery --hepatoduodenal ligament --gastroduodenal artery --superior pancreaticoduodenal arteries (come from gastroduodenal & supply head & uncinate process of pancreas when they anastomose w/ sup. Mesenteric arteries) --hepatic artery proper 1 what is superior mesenteric artery syndrome 2 horizontal portion of duodenum becomes compressed by superior mesenteric artery (from reduced retroperitoneal and mesenteric fat) 1 What are the four major portal-systemic anastomoses? 2 1). Lower esophagus: portal connection=esophageal tributaries of L. gastric vein; systemic connection=azygos vein; clinical malady=esophageal varices 2). Ant. Abd. Wall: portal connection=paraumbilical veins; systemic connection=epigastric veins; clinical malady=caput medusae 3). Anal Canal: Portal connection=superior rectal vein; systemic connection=IVC via the middle & inferior rectal veins; clinical malady=hemorrhoids 4). Asc. & Desc. Colon: Portal connection=R & L Colic Veins; Systemic connection=posterior abdominal wall veins; clinical malady=Ascites 1 In autonomic plexuses, parasympathetic and sympathetic efferent and visceral afferent nerve fibers are __________. 2 intermixed 1 pelvic splanchnic nerves supply parasympathetic efferents to what? 2 (hindgut derivatives) 1 Visceral afferents that follow sympathetic pathways carry what from abd organs? Where are these cell bodies? 2 (pain) (dorsal root ganglia of T5-L2) 1 Visceral afferents that follow parasymp. pathways carry what from abd organs? Where are these cell bodies? 2 (sensations such as nausea or hunger) (vagal sensory ganglia in head for foregut and midgut and dorsal root ganglia of spinal nerves S2-S4 for hindgut) 1