Introduction Every few years the threat of a “new” infectious disease becomes the center of world attention, producing waves of fear and even mass panic. Until now, at least in the beginning, these diseases affected only adult populations. Although, since…
Introduction The fetal cerebellum develops throughout pregnancy and may be visualized starting from the first trimester. By the seventh week of gestation, the rhombencephalic vesicle, the precursor of the fourth ventricle and cisterna magna, is the most prominent structure of…
Introduction Cortical neuronal cell development starts at about 7 weeks' gestation from stem cells in the germinal matrix that line the ventricles. The stem cells proliferate and differentiate into glial cells and neurons. The glial cells migrate radially to the…