Notes in Asynchronous: Embryology of Abdominal Organs

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Published 03/02/2024 During the {{c2::10th}} week of gestation, the midgut returns to the abdominal cavity and rotates {{c3::270}}° counterclockwise around the {{c1::super…
Published 03/02/2024 Which artery supplies the regions of the foregut? {{c1::Celiac trunk}}
Published 03/02/2024 Which artery supplies the regions of the midgut? {{c1::Superior mesenteric artery}}
Published 03/02/2024 Which artery supplies the regions of the hindgut? {{c1::Inferior mesenteric artery}}
Published 03/02/2024 Which parasympathetics innervate the regions of the foregut and midgut? {{c1::Vagus nerve}}
Published 03/02/2024 Which sympathetics innervate the regions of the foregut and midgut? {{c1::Greater and lesser splanchnics (T5 - T12)::2}}
Published 03/02/2024 The foregut develops into structures from the {{c1::lower esophagus}} to the {{c2::proximal duodenum}}
Published 03/02/2024 The midgut develops into structures from the {{c1::distal duodenum}} to the {{c2::proximal 2/3 of the transverse colon}}
Published 03/02/2024 The hindgut develops into structures from the {{c1::distal 1/3 of the transverse colon}} to the {{c2::anal canal above the pectinate line}}
Published 03/02/2024 {{c2::Midgut volvulus}} is a surgical emergency that classically presents in a neonate with congenital {{c1::malrotation}}, manifesting as bilious vom…
Published 03/02/2024 Folding of the lateral body wall during development creates the {{c1::gut tube}}
Published 03/02/2024 Each area of the gut has its own arterial supply:Foregut: {{c1::Celiac trunk}}Midgut: {{c1::SMA}}Hindgut: {{c1::IMA}}
Published 03/02/2024 {{c1::Polyhydramnios}} is when fluid builds up in the amniotic cavity (in utero)
Published 03/02/2024 {{c1::Atresia}} is when there is failed continuity within an organ, meaning that it isn't fully tubularized or that there is a lack of lumen
Published 03/02/2024 {{c1::Fistula}} is when there is an abnormal connection between two organs
Published 03/02/2024 Explain what is going on in this X-ray{{c1::There is air in the upper esophageal pouch and the abdomen, illustrating that there is a connection betwee…
Published 03/02/2024 During development, the {{c2::tracheoesophageal septum}} separates the lung bud from the dorsal part of the foregut, the lung bud forms the {{c1:…
Published 03/02/2024 During development, the esophagus is initially a solid organ, but the vauoles form and the organ {{c1::recanalizes}} to form a lumen
Published 03/02/2024 {{c1::Esophageal fistula}} is due to a failure of the tracheoesophageal septum to separate the lung bud from the foregut, and the most common typ…
Published 03/02/2024 {{c1::Duodenal atresia}} is whe nthe lumen of the duodenum is not complete, so there is obstruction and fluid/food can't move through. The d…
Published 03/02/2024 The stomach undergoes a {{c1::clockwise}} rotation during development
Published 03/02/2024 The outgrowth of the liver bud from the gut tube forms the {{c1::gallbladder}} and {{c1::liver}}
Published 03/02/2024 As the stomach rotates, the 1st and 2nd portions of the duodenum are pushed to the right, creating the {{c1::C loop}} of the duodenum and causing the …
Published 03/02/2024 The duodenal lumen is initially {{c1::solid}} before the 2nd month of development
Published 03/02/2024 If the ventral bud of the pancreas fails to rotate properly during development, it causes an {{c1::annular pancreas::condition}}, causing obstruction …
Published 03/02/2024 The pancreas starts as two buds, and the ventral bud develops into the {{c1::uncinate process}} and the {{c1::inferior}} head of the pancreas
Published 03/02/2024 Herniation of the primary intestinal loop into the umbilical cord is important for normal development of the {{c1::midgut}}
Published 03/02/2024 The {{c1::vitelline duct}} is a connection between the umbilicus and the intestine which normally closes during development
Published 03/02/2024 The duodenal-jejunal junction should be to the {{c1::left}} of the spine
Published 03/02/2024 The midgut elongates rapidly during week 6-10 of development, forming the {{c1::primary intestinal loop}}
Published 03/02/2024 The primary intestinal loop rotates in a {{c1::counter-clockwise}} fashion, with a 90 degree rotation outside the body and then a 180 degree rotation …
Published 03/02/2024 As the primary intestinal loop comes inside the body, it fixes the {{c1::duodenal-jejunal}} junction to the left of the spine and the {{c1::cecum}} is…
Published 03/02/2024 {{c1::Malrotation with volvulus}} is what happens when the normal midgut development does not occur. Treat with {{c2::surgery (untwisting the bow…
Published 03/02/2024 If you see {{c1::Bilious emesis}} (green vomit) in a child, you should think {{c2::malrotation with volvulus}} until proven otherwise
Published 03/02/2024 The hindgut enters the cloaca as the {{c1::primitive anorectal canal::posterior}}The allantois enters the anterior cloaca as the {{c1::uroge…
Published 03/02/2024 The {{c2::urorectal septum}} plays a key rolls in separating the cloaca into an anterior {{c1::urogenital sinus}} and a posterior {{c1::anal cana…
Published 03/02/2024 If the urorectal septum fails to separate the cloaca, you can get {{c1::anorectal malformations}} (spectrum of malformations)
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