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 previa. [prÄâ²vÄÂ·É]. a condition of pregnancy in which the placenta is implanted abnormally in the uterus so that it impinges on or covers the internal os of the uterine cervix. It is the most common cause of painless bleeding in the third trimester of pregnancy. Its cause is unknown.