Agenesis of Corpus Callosum

What is Agenesis of the Corpus Callosum (ACC)?

Agenesis of the Corpus Callosum means a complete or partial absence of the bridge between the left and right sides of the brain. In and of itself, the corpus callosum is not necessary for life or health, but conditions associated with ACC can lead to serious medical problems including abnormalities of cerebrospinal fluid or mental retardation.

In a normal brain, a huge mass of nerve fibers, called the corpus callosum, connects the two hemispheres (halves) of the brain. The fibers of the corpus callosum start growing when the fetus is about 3½ months old, and by 5 months the corpus callosum has usually reached the general shape and structure found in an adult brain.

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