[Pathology of the placenta. I. Preliminary anatomic remarks, microscopic findings and sampling of material].

The first part of this review of pathological aspects relating to the placenta is made up of introductory comments on the material that is subject of histological investigation as well as on clinical questions and a thorough description of macroscopic findings. Hints are also given on collection of placental samples and histological investigation. The coverage is completed by a few comments on the normal anatomy of the placenta.