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NME 7 Embryology of the GI Tract (II)


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Haematopoiesis
The major function of the developing liver
Mesoderm
In the embryo, blood cells arise from this germ layer
6, second and birth
Embryologically, haematopoiesis begins at week [_], peaks at the end of the [_____] trimester, then dips off rapidly before [_____]
Yolk sac
Main site for embryonic haematopoiesis (not the liver)
10%
Percentage of body weight the liver respresents at week 10 of development
5%
Percentage of body weight the liver represents at time of birth
FALSE
True or False: Bile is produced in gall bladder at week 12
Gall bladder and liver
Bile is stored in the [______] but produced in the [_____]
Lymphocytes and produces, stores and destroys red blood cells
Functions of the spleen
TRUE
True or False: Spleen is entirely mesodermal
4
The spleen forms in the [_]th week after fertilisation
Ectopic pancreatic tissue
Pancreatic tissue which develops in a variety of incorrect areas, such as the lungs
5%
[_]% of Meckel's divercitula contain pancreatic tissue
Annular pancreas
Defect where pancreas has encircled duodenum from both sides
Constriction and occlusion
Implications of annular pancreas for the duodenum
Tinged green
In a blockage caused by an annular pancreas constricting the duodenum, vomit would be [____]
Bile duct
The junction between the foregut and the midgut is located immediately after where the [_____] enters the duodenum
Midgut and hindgut
The splenic flexure represents the junction between [_____] and [______]