Creutzfeldt-Jacob disease , Although we make all attempts to ensure the brains we accept have not come from individuals with this very rare disease we cannot be sure as its symptoms can be very like normal senile dementia .
Prions are very resistant ot fixatives and even heat.
Please wear gloves. The CNS structures are enclosed within their bony coverings by three membranes, the meninges. These are the dura mater, arachnoid mater and pia mater . Identify on a skull the points of attachment of the falx cerebri, tentorium cerebelli and falx cerebelli. It runs between the dura and the pia consisting of thin spider web like strands of semi-transparent connective tissue which bridges over many of the sulci and gyri on the surface of the brain.