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MRCOG PART 1 - ANATOMY & EMBRYOLOGY

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MRCOG 1 2016

MRCOG 1 2016 Posted by Farrukh G.

The embryological origin of the allantois 

A) Ectoderm

B) Mesoderm

C) Endoderm

D) Mesenteric mesoderm 

E) Primitive streak
Posted by Saskia C.

The allantois is composed of mesoderm derived from two distinct sources: the primitive streak and visceral endoderm.