UNSW Embryology

Gastrointestinal Tract Development

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Page LinksSelected Human Embryo Serial Sections (st22)About Notes

Previous Pages Human Embryo (st22) , Pig Embryo (st13/14)

Human Embryo- high power

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E3,E4: Central veins of liver. Radiating appearance of hepatic sinusoids.

E5: Central vein with endothelial lining, containing nucleated erythrocytes (haemopoietic role of fetal liver).

E6,E7: Pyloroduodenal junction. Note tall columnar entodermal cells, submucosa, muscularis externa with inner spiral, outer longitudinal smooth muscle. Tunica serosa.

Fl,F2: Pancreas and pancreatic duct joining duodenum. Superior mesenteric vein crossing cranial to pancreas. Note folds of duodenal mucosa.

G5-G7: Rectocolic junction. Mesocolon. Note layers of wall.

About Notes

Lecture notes from the Anat 3311 1997 Science Embryology course compiled and written by Dr Mark Hill. Some notes derived from historic class notes.
Note Links to OMIM Entries are copies of originals for computers without internet access. Computers with internet access can directly access the database.

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Date Last Modified: 30/3/99
This site maintained by Dr M. Hill