text: Kjersti Aagaard’s use of WGS and 16S rDNA studies found that the microbiome of this organ was most similar to that of the oral cavity.
full_question: Kjersti Aagaard’s use of WGS and 16S rDNA studies found that the microbiome of this organ was most similar to that of the oral cavity. A protein involved in the formation of this structure is a membrane fusion protein coded by an endogenous retroviral element based on env proteins. High expression of heme oxygenase-1 in this organ assists in the activation of Tregs which assist in providing this structure immune privilege. EVT cells in this structure enter another organ and are assisted by dNK cells in remodelling the spiral arteries of that other organ. Syncytin is required for the development of this structure which contains macrophages called Hofbauer cells. Immunoglobulin G can pass through this structure. This structure develops from the trophoblast. In marsupials, a choriovitelline form of this organ forms, while the non-extinct members of eutheria are named for their use of this organ. For 10 points, name this organ which connects the fetus to the uterus.
first_sentence: Kjersti Aagaard’s use of WGS and 16S rDNA studies found that the microbiome of this organ was most similar to that of the oral cavity.