Abdominal Embryology Flashcards
Name & Color of Babies first Feces.
Meconium, dark green due to bile fluid.
Distal Esophagus, & Stomach, & Spleen belong to which embryological gut portion?
Foregut
Pancreas, Liver, & Gallbladder belong to which embryological gut portion?
Foregut
Which abdominal organ belongs to both Foregut & Midgut?
Duodenum
Appendix, & Ascending colon belong to which embryological gut portion?
Midgut
Descending Colon, Sigmoid Colon, & Rectum belong to which embryological gut portion?
Hindgut
Failure of retraction of the midgut in week 10 of development will most likely result in what condition?
Omphalocele
Failure of abdominal wall musculature fusion at Linea Alba will most likely result in what condition?
Gastrochisis
Which artery supplies the Hindgut?
Inferior Mesenteric Artery
Artery that supplies the Foregut…
Celiac Trunk Artery
Artery that supplies the Midgut…
Superior Mesenteric Artery
Vitelline Veins give rise to which structure within the Liver?
Hepatic Sinusoids
Splanchnic Mesoderm give rise to what hepatic structures/cells?
Connective tissue & Kupffer Cells
Gastrointestinal Endoderm give rise to…
The epithelial lining of the GI Tract
The following gastrointestinal tract structures undergo developmental rotation except? A) Stomach B) Duodenum C) Ventral pancreatic bud D) Dorsal Pancreatic bud E) Midgut F) Hindgut
Hindgut
The first stomach rotation causes the ____ and ____ vagus nerves to become the ____ and ____ vagal trunks, respectively.
A) Left; Right; Superior; Inferior B) Right; Left; Lateral; Medial C) Left; Right; Lateral; Medial D) Right; Left; Anterior; Posterior E) Left; Right; Anterior; Posterior
Left; Right; Anterior; Posterior
An infant has been projectile vomiting. Which of the following is the most likely diagnosis?
Pyloric stenosis
Name the 3 ligaments derived from the Ventral Mesentery
- Falciform Ligaments
- Coronary Ligaments
- Triangular ligaments
Name the ligament derived from the Dorsal Mesentery.
Gastrorenal Ligament
Name the anatomical position of the Dorsal mesentary before and after embryonic rotation respectively.
Dorsal to Lateral
Name the anatomical position of the Left Vagus nerve after embryonic rotation.
Ventral Position
Persistence of vitelline duct causing out-pocketing of ileum leading to inflammation and appendicitis-like symptoms.
Ileal / Meckel’s Diverticulum
