Plexus choroideus

What is the choroidal plexus? The plexus choroideus is a collection of intertwined blood vessels. Both veins (running towards the heart) and arteries (running away from the heart) are involved in the formation of the plexus. They are all located in cavities inside the brain (brain ventricles), which are filled with cerebrospinal fluid (liquor). The … Plexus choroideus

Trisomy 18 in the unborn child

What is trisomy 18 in the unborn child? Trisomy 18, also known as Edwards syndrome, is a serious genetic mutation that is associated with a poor prognosis. The majority of children die before birth. In trisomy 18, chromosome 18 is present in threefold, instead of the usual twofold expression. Girls are slightly more frequently affected … Trisomy 18 in the unborn child