TY - JOUR T1 - Protective role of cerebrospinal fluid in brain injuries JF - Archives of Disease in Childhood JO - Arch Dis Child SP - 187 LP - 187 DO - 10.1136/adc.84.2.187a VL - 84 IS - 2 AU - D C HODGSON AU - J M SHIPPEN AU - R SUNDERLAND Y1 - 2001/02/01 UR - http://adc.bmj.com/content/84/2/187.2.abstract N2 - Editor,—We would like to offer a simple model of brain injury which explains many features of “closed skull” injuries—that is, those where damage results from the action of inertial forces only.The model is easily constructed as follows. Fill a jam jar to the brim with water. Glue two threads to an egg, suspend the egg in the water, and screw the lid on tightly. If the jar is shaken horizontally as vigorously as possible, … ER -