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Category : anatomy

Fetal brain at 18 weeks

Fetal brain at 18 weeks. This is a brain!? Where are all the wrinkles??? The brain wrinkles are called the gyri which are the prominent portion of the folds and the sulci which are the grooves of the folds. These wrinkles or folds increase the surface area of the brain allowing for maximum brain power in our tiny skulls!!! These wrinkles start to appear later in fetal life, after 20 weeks and are gradually more prominent the older the fetus […]

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