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.
Volvox are colonial flagellates and a very popular organism for classroom observations. The colony is large, measuring from 100-6000 microns across. The colony is comprised of many single, bi-flagellated cells connected together by protoplasmic strands. It forms a hollow, green sphere.