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77 Cards in this Set
- Front
- Back
the entire primitive gut tube has an ______ lining
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endodermal lining
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mesentary is formed from
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folding of the lateral plate mesoderm from the right and left toward the midline
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ventral mesentary is attached to
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attached to the ventral surface of the tube for unly to the foregut segment
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from the primitive dorsal mesentary adult derivatives are composed of
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visceral peritoneum
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the greater omentum is attached to the
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stomach
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the mesentary is attached to the
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small intestine
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the transverse mesocolon is attached to the
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transverse colon
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the sigmoid mesocolon is attached to the
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sigmoid colon
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the layer of mesoderm enclosing an organ will become
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visceral peritoneal covering
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mesoderm lining the inner abdominal wall will become the
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adult peritoneal covering
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____ supplies the foregut
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celiac artery
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____ supplies the midgut
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superior mesentaric artery
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_____ supplies the hindgut
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inferior mesenteric artery
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stomach segment of gut is attached to posterior body wall by
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dorsal mesentary which is later called the greater omentum
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hypertrophy of ____ occurs in the stomach
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dorsal surface
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lesser omentum
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proximal part of ventral mesentery between the stomach and the liver
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the lesser omentum is divided into
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hepatogastric ligament
hepatoduodenal ligament falciform ligament |
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disorder where the lumen of the pyloric regoin is decreased
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hypertrophic pyloric stenosis
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rotation of the stomach repositions its attached mesenteries creating an
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omental bursa- sac posterior to the stomach
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the omental forament can be a clinically important entry point for the
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spread of pathology into the bursa
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spleen is derived from
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mesoderm
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spleen begins as
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mesenchymal condensations within the dorsal mesentary
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spleen develops between
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the right and left layers of the dorsal mesentary
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when the spleen develops the dorsal mesentary is divided into
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splenorenal ligament and gastrosplenic ligament
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liver bud remains connected to the foregut via the
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hepatic stalk or future hepatic duct
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the main hepatic duct gives rise to
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cystic diverticulum which forms the gall bladder
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future biliary duct system is composed of
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cystic duct from the forming gall bladder attached to hepatic duct, and the proximal remainder of the hepatic duct(common bile duct)
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function of common bile duct
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transports bile to the duodenum postnatally
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the falciform ligament has an
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inferior free margin which which the umbilical vein will run as it enters embryo
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remnant of the umbilical vein in adults is
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ligamentum teres hepatis
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____,____and____ will be landmarks in the inferior free edge of the lesser omentum in the adult
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hepatic artery
bile duct hepatic portal vein |
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the duodenum originates from both
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the distal end of the foregut and the proximal end of the midgut
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since the duodenum originates from two segments of the gut tube it will
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have dual blood supply
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4 parts of the duodenum
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duodenal bulb
descending part horizontal part ascending part |
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the entry point of the duct system from the liver/gall bladder and pancreas becomes located in the
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descending portion of the duodenum
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duodenal atresia
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abnormal degeneration of the duodenum(2nd and 3rd part)
newborns vomit bile upon overfilling of the duodenum with bile |
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duodenal stenosis
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reduction in the size of duodenum(3rd/4th part)
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cause of duodenal stenosis
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incomplete recanalization in the proximal segment and results in bile being present in new borns vomit
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in normal development, the duodenal lumen fills with cells but
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the lumen is re-opened by the process of canalization
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ventral pancreatic bud emerges between
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the two layers of ventral mesentary from the developing duodenum
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dorsal pancreatic bud emerges between the
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layers of dorsal mesentaryj\
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ventral bud is associated with the stalk_____ and eventually
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of the hepatic duct
migrates 180 degrees to the right |
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at the end of rotation, the
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ventral bud fuses with the dorsal bud
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the ventral bud of pancreas will become the
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uncinate process of pancreas
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the dorsal bud of the pancreas will become the
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remainder of the head as well as neck, body and tail
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duct of the ventral bud will become
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main pancreatic duct which joins common bile duct
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hepatopancreatic duct enters ____ and is surrounded by
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2nd part of duodenum
major duodenal papilla |
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annular pancreas
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formation of bi-lobed ventral pancreatic bud
migrate opposite= strangle duodenum |
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langer lines
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natural lines of folding/creasing in skin lines following transverse orientated collagen fibers
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when scarpa's fascia extends inferiorly in the perineal region it assumes what three different names
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false suspensory or fundiform, ligament
dartos fascia colles fascia |
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umbilicus is at what vertebrae
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3-4
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epgastric pain refers to____
umbilical pain refers to___ hypogastric pain refers to___ |
foregut derived organs
midgut derived organs hindgut derived organs |
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EAO attaches to __ ribs
IAO attaches to ___ ribs TA attaches to ___ ribs |
5-12
7-12 7-12 |
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superior epigastric is from the
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internal thoracis
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inferior epigastric is from the
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external iliac
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superficial epigastricc is from the
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femoral artery a nd branches toward umbilicus
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____ drain upper lumbar and hypochondriac regions
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posterior intercostal veins
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superior epigastric veins drain along____ to____
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posterior surfce of recti muscles to internal thoracics
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______ is a connecting channel between the epigastrics and lateral thoracics
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thoracoepigastric
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three longitudinal muscle layers in large intetine
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taenia coli- longitudinal bands
haustra- segmental sulci- indenting grooves between haustra |
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epiploic appendages hang
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from outer serosa surface on the LI
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retroperitoneal portions of large intestine
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ascending and descending colon
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parasympathetic nerves affect digestive system how
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increase stimulation
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parasympathetic nerves that affect distal 1/3 come from
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vagal trunk
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parasympathetic source that supplies the distal 1/3 part of colon
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sacral parasympathetic outflow (s2-4)
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postganglionic parasympathetic found in____ in lg. intestine
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myenteric plexus
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sympathetic activity affects digestion how
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decreases
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source of sympathetic that supplies colon up to descending colon
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celial/ mesenteric plexus and ganglia via thoracic splanchnic up to descending
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source of sympathetic that supplies descending colon down
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lumbar splanchnics
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congenital megacolon
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ostruction distal to the enlargement - absence of ANS plexus- poor muscular contraction
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lower anal canal drains to the
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iliac veins and IVC
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order of collateral flow from IMA
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IMA to L. colic to marginal branch to middle colic to SMA
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4 collateral pathways from portal vein
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esophageal plexus
paraumbilical plexus rectal plexus retroperitoneal plexus |
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superior epigastric arteries/veins drain into
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internal thoracic artery/great saphenous vein
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inferior epigastric arteries/ veins drain into
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external iliac artery/ great saphenous vein
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superficial epigastric arteries drain into
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femoral artery
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paraumbilical veins are responsible for linking
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superficial veins to the internally located Left branch of portal vein
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