Ch. 62 EX:3 Fetal Abdomen Flashcards
The derivatives of the ____ are the pharynx, lower respiratory system, esophagus, stomach, part of the duodenum, liver and biliary apparatus, and pancreas.
Foregut
When ____ ____ occurs, amniotic fluid cannot pass to the intestines for absorption, and hydramnios results.
Esophageal Atresia (fistula of esophagus and trachea)
The stomach appears as a fusiform dilatation of the caudal part of the ____.
Foregut
The dorsal mesogastrium is carried to the left during rotation of the stomach and formation of a cavity known as the omental bursa or ___ ____ of peritoneum.
Lesser Sac
The lesser sac communicates with main peritoneal cavity or greater peritoneal sac through a small opening, called the ____ ____.
Epiploic Foramen
The duodenum develops from the ____ part of the foregut and the cranial part of the ____.
Caudal, Midgut
The junction of the two embryonic parts of the duodenum in the adult is just ____ to the entrance of the CBD.
Distal
The duodenum is recanalized by the end of the 8th week. Partial or complete failure of this process results in duodenal ____ (narrowing) or duodenal ____ (blockage
Stenosis, Atresia
The liver grows rapidly and intermingles with vitelline and ____ veins, divides into ____ parts, and fills most of the abdominal cavity.
Umbilical, 2
During the 6th week, ____ (blood formation) begins and accounts for the large size of the liver between the 7th and 9th weeks of development.
Hematopoiesis
The derivatives of the ____ are the small intestines (including most of the duodenum), the cecum and verminform appendix, the ascending colon, and most of the transverse colon. All of these structures are supplied by the SMA.
Midgut
A remnant of the proximal part of the yolk stalk that fails to degenerate and disappear during the early fetal period is a ____ ____.
Meckel’s Diverticulum
