1937 Press Photo Medical apparatus at Annual American Medical Assn Convention

Dean of Medicine at Marquette University Dr. Eben J. Carey shows Dr. Frank K. Boland what just happens after receiving a bad blow in the head. It shows through an instrument that sends polarized light in a glass rod in pressure waves like in the nervous system. The Medulla Oblongata sends a wave of fluid pressure that causes an abnormal cavity that leads to paralysis and atrophy of some muscles.

Photo measures 9.25 x 7 inches.

Photo is dated 6-14-1937.



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