[A simple rapid method of culturing chorionic villi. Identification and description of maternal cells in culture]

Chorionic villi cell cultures is a complement to direct chromosome analysis. It is indispensable for the determination of certain enzymatic activities. A rapid, simple and reliable method of culture is described which allows height quality karyotyping in a week. Confusion with maternal cells is a possible source of error. The authors identified and described these maternal cell types.