| Description | Greswell describes the three powers exerted by the nervous system - nervous excitement, nervous activity, and nervous energy - and how they interact with one another. He goes on to describe how different medicines, including gentianine, quinine and morphium [morphine], affect the three powers. Followed by a rejection letter from S [Samuel] Hunter Christie dated 13 December 1838.
Subject: Medicine / Physiology / Neuroscience |