An important challenge during the COVID-19 pandemic has been to understand asymptomatic disease and the extent to which this may be a source of transmission. As asymptomatic disease is by definition hard to screen for, there is a lack of clarity about th
What does mesenchymal mean? The term "mesenchymal" refers to the embryonic origin of the cells, specifically cells that arise from the mesoderm germ layer. The mesoderm germ layer is one of the three primary germ layers that form during the early stages of embryonic development. ...