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41 Cards in this Set

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anteriormost part of the foregut forms the:
pharynx
esophagus
The remainder of the foregut includes the:
Stomach
Liver
gallbladder Pancreas
Duodenum
The remainder of the foregut, supplied largely by the:
CELIAC ARTERY
The midgut includes the:
Jejunum
Ileum
Cecum
Appendix
Ascending colon
Proximal 2/3 of transverse colon.
The midgut is supplied by the:
SUPERIOR MESENTERIC ARTERY
The hindgut includes the:
Distal 1/3 of transverse colon
Descending colon
Sigmoid colon
Rectum
Part of anal canal.
The hindgut is supplied by the:
INFERIOR MESENTERIC ARTERY
Give rise to EPITHELIAL of the gut, including surface epithelium, crypts, glands, hepatic parenchyma, pancreatic acini and pancreatic islets (of Langerhans).
Endoderm
During development, the gut tube is occluded by endodermal cells during the embryonic period. This later re-cannulates. Errors in re-cannulation can cause _____-(give 2)
duplications, cysts, stenosis or atresia
The hindgut includes the:
Distal 1/3 of transverse colon
Descending colon
Sigmoid colon
Rectum
Part of anal canal.
The hindgut is supplied by the:
INFERIOR MESENTERIC ARTERY
Give rise to EPITHELIAL of the gut, including surface epithelium, crypts, glands, hepatic parenchyma, pancreatic acini and pancreatic islets (of Langerhans).
Endoderm
During development, the gut tube is occluded by endodermal cells during the embryonic period. This later re-cannulates. Errors in re-cannulation can cause _____-(give 2)
duplications, cysts, stenosis or atresia
_______ gives rise to all NON-EPITHELIAL parts of the gut, including connective tissue, vasculature, smooth muscle and mesothelium.
Mesenchyme
anamalies of ________ can be responsible for esophageal atresia, or trachio-esophageal fistula
recannalation
The stomach connects to the posterior body wall (adjacent to body of vertebrae) by a __________
DORSAL mesogaster
The stomach connects to the to the septum transversum (and consequently to the developing anterior body wall) by a ______.
VENTRAL mesogaster
Greater omentum
Gastrocolic ligament Gastrolienal ligament
Gastrophrenic ligament.
arise from the ________
Dorsal mesogaster
lesser omentum
Falciform ligament
Coronary ligaments of the Liver.

arise from the ________
Ventral mesogaster
Dorsal surface enlarges by differential growth, and shifts to face the ____ side, forming the _______
left
greater curvature
Ventral surface becomes somewhat concave due to the fact that it is growing at a slower rate than the dorsal surface, and so shifts to face the _____ side, forming the _________.
right
lesser curvature
Liver originates as a ________arising from the duodenum
hepatic diverticulum
The hepatic diverticulum divides into two separate buds:
i. A cystic bud, which forms the gallbladder.
ii. An hepatic bud, which forms the liver.
Tissues of origin of
--Hepatic parenchyma. (functional liver tissue: Hepatocytes.)
--Bile ducts and epithelium of the gallbladder.
Endoderm
--Vascular elements (note; endothelium and Kupffer’s cells).
--Connective tissue.
Mesenchyme of the septum transversum:
The liver is a site for _________ from the 6th week of life to about the time of birth.
hematopoesis
The Pancreas Starts as two buds: _______ & _______
dorsal and ventral.
_________ pass between the two buds
Superior mesenteric artery and vein
dorsal duct drains the body and tail, and will connect to the ventral pancreatic duct, which becomes the ____________
main pancreatic duct
The original duct of the dorsal pancreatic bud persists as the _________
accessory duct.
Branches of the celiac artery
common hepatic; splenic; and L. gastric AA..
Midgut
Jejunum, Ileum, cecum, appendix, asc. colon, prox. 2/3 of transv. colon.
Midgut is connected to yolk sac via the _______ in distal ileum
Vitelline duct
This occurs within the sac on the external abdominal area; pulled back into abdominal cavity at about 10 wks
Rotation
Rotation is ________(when facing the embryo), more than 270 degrees
counter clockwise
Persistent vitelline duct includes (3)
Meckel’s diverticulum, vitelline cyst and ileoumbical fistula.
failure for the gut to pull back into abdomen
Omphalocele
failure of abdominal wall to fuse: stomach found against external body wall
gastroschisis
Hindgut
distal 1/3 of transv. colon, descending colon, sigmoid colon, rectum, part of anal canal.
______ separates hind gut from urogenital (UG) sinus
Urorectal fold
Hindgut malformations
Anal stenosis.
Imperforate anus.
Rectovaginal fistula.
Rectal atresia