small or compact enough to fit or be used on a desk: a desktop calendar. noun. 2. the surface of a desk.
Implantation: A circumvallate placenta is simply a 'accident of implantation and formation. Serendipity often causes some of the medical aberrations that are often seen. Causes of circumvallate placenta - What is a partial circumvallate placenta? What causes it? Implantation. A circumvallate placenta is simply a 'accident of implantation and formation. Serendipity often causes some of the medical aberrations that are often seen.
placenta preÂ·viÂ·a. n. A condition in which the placenta is implanted in the lower segment of the uterus so that it is adjacent to or obstructs the internal opening of the cervix. It may cause maternal hemorrhage prior to or during labor. Also called placental presentation.